Add 56/70 and 8/15
56/70 + 8/15 is 4/3.
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,
56/70 = 56 × 3/70 × 3 = 168/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
8/15 = 8 × 14/15 × 14 = 112/210 - Add the two like fractions:
168/210 + 112/210 = 168 + 112/210 = 280/210 - 280/210 simplified gives 4/3
- So, 56/70 + 8/15 = 4/3
In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70+16/15 56/70+8/30 56/70+24/15 56/70+8/45 56/70+40/15 56/70+8/75 56/70+56/15