Add 15/28 and 8/35
15/28 + 8/35 is 107/140.
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,
15/28 = 15 × 5/28 × 5 = 75/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
8/35 = 8 × 4/35 × 4 = 32/140 - Add the two like fractions:
75/140 + 32/140 = 75 + 32/140 = 107/140 - So, 15/28 + 8/35 = 107/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+8/35 15/28+16/35 15/56+8/35 15/28+8/70 45/28+8/35 15/28+24/35 15/84+8/35 75/28+8/35 15/28+40/35 15/28+56/35