Add 3/14 and 21/35
3/14 + 21/35 is 57/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
3/14 = 3 × 5/14 × 5 = 15/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
21/35 = 21 × 2/35 × 2 = 42/70 - Add the two like fractions:
15/70 + 42/70 = 15 + 42/70 = 57/70 - So, 3/14 + 21/35 = 57/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+21/35 3/14+42/35 3/28+21/35 3/14+21/70 9/14+21/35 3/14+63/35 3/42+21/35 15/14+21/35 3/70+21/35 21/14+21/35 3/98+21/35