Add 56/70 and 28/30
56/70 + 28/30 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 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 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Add the two like fractions:
168/210 + 196/210 = 168 + 196/210 = 364/210 - 364/210 simplified gives 26/15
- So, 56/70 + 28/30 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70+56/30 56/70+28/60 56/70+84/30 56/70+28/90