Add 21/14 and 56/10
1st number: 1 7/14, 2nd number: 5 6/10
21/14 + 56/10 is 71/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
56/10 = 56 × 7/10 × 7 = 392/70 - Add the two like fractions:
105/70 + 392/70 = 105 + 392/70 = 497/70 - 497/70 simplified gives 71/10
- So, 21/14 + 56/10 = 71/10
In mixed form: 71/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14+56/10 21/28+56/10 21/14+56/20 63/14+56/10 21/42+56/10 21/14+56/30 21/70+56/10 21/14+56/50 21/98+56/10 21/14+56/70