Add 70/15 and 7/5
1st number: 4 10/15, 2nd number: 1 2/5
70/15 + 7/5 is 91/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
70/15 = 70 × 1/15 × 1 = 70/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
7/5 = 7 × 3/5 × 3 = 21/15 - Add the two like fractions:
70/15 + 21/15 = 70 + 21/15 = 91/15 - So, 70/15 + 7/5 = 91/15
In mixed form: 61/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+14/5 70/30+7/5 70/15+7/10 70/15+21/5 70/45+7/5 70/15+7/15 70/15+35/5 70/75+7/5 70/15+7/25 70/15+49/5 70/15+7/35