Add 14/28 and 21/35
14/28 + 21/35 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
14/28 = 14 × 5/28 × 5 = 70/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
21/35 = 21 × 4/35 × 4 = 84/140 - Add the two like fractions:
70/140 + 84/140 = 70 + 84/140 = 154/140 - 154/140 simplified gives 11/10
- So, 14/28 + 21/35 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+42/35 14/56+21/35 14/28+21/70 42/28+21/35 14/28+63/35 14/84+21/35 70/28+21/35 98/28+21/35