Add 15/70 and 49/28
1st number: 15/70, 2nd number: 1 21/28
15/70 + 49/28 is 55/28.
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,
15/70 = 15 × 2/70 × 2 = 30/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Add the two like fractions:
30/140 + 245/140 = 30 + 245/140 = 275/140 - 275/140 simplified gives 55/28
- So, 15/70 + 49/28 = 55/28
In mixed form: 127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+49/28 15/70+98/28 15/70+49/56 45/70+49/28 15/70+49/84 75/70+49/28