Add 35/72 and 21/48
35/72 + 21/48 is 133/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
35/72 = 35 × 2/72 × 2 = 70/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
21/48 = 21 × 3/48 × 3 = 63/144 - Add the two like fractions:
70/144 + 63/144 = 70 + 63/144 = 133/144 - So, 35/72 + 21/48 = 133/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+21/48 35/72+42/48 35/72+21/96 35/72+63/48