Add 10/70 and 7/15
10/70 + 7/15 is 64/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
10/70 = 10 × 3/70 × 3 = 30/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
7/15 = 7 × 14/15 × 14 = 98/210 - Add the two like fractions:
30/210 + 98/210 = 30 + 98/210 = 128/210 - 128/210 simplified gives 64/105
- So, 10/70 + 7/15 = 64/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70+7/15 10/70+14/15 10/70+7/30 30/70+7/15 10/70+21/15 10/70+7/45 50/70+7/15 10/70+35/15 10/70+7/75 10/70+49/15