Add 4/35 and 21/56
4/35 + 21/56 is 137/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
4/35 = 4 × 8/35 × 8 = 32/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Add the two like fractions:
32/280 + 105/280 = 32 + 105/280 = 137/280 - So, 4/35 + 21/56 = 137/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/35+21/56 4/35+42/56 4/70+21/56 12/35+21/56 4/35+63/56 20/35+21/56 28/35+21/56