Add 56/48 and 21/70
1st number: 1 8/48, 2nd number: 21/70
56/48 + 21/70 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
56/48 = 56 × 35/48 × 35 = 1960/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
21/70 = 21 × 24/70 × 24 = 504/1680 - Add the two like fractions:
1960/1680 + 504/1680 = 1960 + 504/1680 = 2464/1680 - 2464/1680 simplified gives 22/15
- So, 56/48 + 21/70 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48+42/70 56/96+21/70 56/48+63/70