Add 4/28 and 21/75
4/28 + 21/75 is 74/175.
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,
4/28 = 4 × 75/28 × 75 = 300/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
21/75 = 21 × 28/75 × 28 = 588/2100 - Add the two like fractions:
300/2100 + 588/2100 = 300 + 588/2100 = 888/2100 - 888/2100 simplified gives 74/175
- So, 4/28 + 21/75 = 74/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+21/75 4/28+42/75 4/56+21/75 12/28+21/75 4/28+63/75 4/84+21/75 20/28+21/75