Add 21/56 and 9/75
21/56 + 9/75 is 99/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 75 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 56 × 75 = 4200,
21/56 = 21 × 75/56 × 75 = 1575/4200 - Likewise, for the 2nd fraction, since 75 × 56 = 4200,
9/75 = 9 × 56/75 × 56 = 504/4200 - Add the two like fractions:
1575/4200 + 504/4200 = 1575 + 504/4200 = 2079/4200 - 2079/4200 simplified gives 99/200
- So, 21/56 + 9/75 = 99/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/56+9/75 21/56+18/75 63/56+9/75 21/56+27/75 21/56+45/75 21/56+63/75