21/30 as a decimal
What is 21/30 as a decimal ?
21/30 as a decimal can be calculated as follows below and after that 21/30 to decimal can be converted to percentage by multiplying with 100 to get percent.
Fraction 21/30 to decimal = 21 ÷ 30
21 ÷ 30 = 30 21
30 21 = 0. (Does not divide, write 0. and multiply 21 by 10)30 210 =7 remainder 0 (We multiply 0 by 10 to get 0 for the next calculation)
30 0 =0 remainder 0 (we stop because remainder is 0)
30 21 = 0.70
30 21 as a decimal in full digit = 0.7.
21/30 as a decimal = 0.7 to 2 decimal places= 0.721/30 as a percentage =.(21/30)*100=70
21/30 + 21/31 fraction calculator
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Fraction Calculator - Steps
Adding fractions
how to add fractions
21/30 + 21/31
21/30 + 21/31 = 1281/930
Subtracting fractions
how to substract fractions
21/30 - 21/31
First multiply denominators to get common denominator
30 X 31 =930Divide common denominator by each fraction denominator and multiply it to get numerator.
651-630 = 21
21/30 - 21/31 = 21/930
Multiplying fractions
how to multiply fractions
21/30 x 21/31
First multiply denominators together
30 X 31 =930Multiply numerators together.
21x21 = 441
21/30 x 21/31 = 441/930
Dividing fractions
how to divide fractions
21/30 ÷ 21/31
First Inverting the second fraction, which gives
21/30 ÷ 31/21then multiply denominators together
30 X 21 =630Multiply numerators.
21 X 31 =651
21/30 ÷ 21/31 = 651/630
651/630 as a decimal = 0.7
651/630 as a percentage = 103.33333333333
0.7 = 7 to the nearest tenth
0.7 = 0.7 to the nearest hundredth
0.7 = 0.7 to the nearest thousandth
70 = 700 to the nearest tenth
70 = 70 to the nearest hundredth
70 = 70 to the nearest thousandth
Fractions types
There are two types of fractions, proper and improper fractions. Proper fractions are simple fractions with a numerator and denominator only, while improper fractions are also called mixed fractions. it has a whole number, a denominator and numerator.
Fraction operations
There are four operations that can be performed on fractions, they are Addition, subtraction, Division, multiplication.
Addition: Addtion operations are carried out by adding two fractions together, eg a/b + C/d
Division: Division operations are performed by dividing one fraction by another, eg a/b ÷ c/d
Multiplication: Multiplication operation is performed by multiply two fractional values, eg a/b X c/d
Subtraction: Subtraction is performed by subtracting one fraction from another. eg a/c - i/j
Numerator / Denominator
Numerator: We call the top number the Numerator, it is the number at the top of the fraction you have.
Denominator: We call the bottom number the Denominator, it is the whole number that is at the bottom, it is the number that is divided into.
Fraction to decimal conversion steps
Step 1: Find a number you can multiply by the bottom of the fraction to make it 10, or 100, or 1000, or any 1 followed by 0s.
Step 2: Multiply both the top and bottom by that number you choose.
Step 3. Then write down just the top number, putting the decimal point in the correct spot, that is one space from the right hand side for every zero in the bottom number.
This fraction calculator can also be used as fraction to percent, shopping discounts, coupon off, body fat, gross profit, weight loss, love, tax, population increase & decrease, sales profit. Once you know the values, to determine the % is easy .
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