Add 3/28 and 21/75
3/28 + 21/75 is 271/700.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
3/28 = 3 × 75/28 × 75 = 225/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
21/75 = 21 × 28/75 × 28 = 588/2100 - Add the two like fractions:
225/2100 + 588/2100 = 225 + 588/2100 = 813/2100 - 813/2100 simplified gives 271/700
- So, 3/28 + 21/75 = 271/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28+21/75 3/28+42/75 3/56+21/75 9/28+21/75 3/28+63/75 3/84+21/75 15/28+21/75 21/28+21/75