Add 7/70 and 15/28
7/70 + 15/28 is 89/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
7/70 = 7 × 2/70 × 2 = 14/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Add the two like fractions:
14/140 + 75/140 = 14 + 75/140 = 89/140 - So, 7/70 + 15/28 = 89/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+15/28 7/70+30/28 7/70+15/56 21/70+15/28 7/70+45/28 7/70+15/84 35/70+15/28 7/70+75/28 49/70+15/28