Add 21/2 and 56/35
1st number: 10 1/2, 2nd number: 1 21/35
21/2 + 56/35 is 121/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
21/2 = 21 × 35/2 × 35 = 735/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
56/35 = 56 × 2/35 × 2 = 112/70 - Add the two like fractions:
735/70 + 112/70 = 735 + 112/70 = 847/70 - 847/70 simplified gives 121/10
- So, 21/2 + 56/35 = 121/10
In mixed form: 121/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+56/35 21/4+56/35 21/2+56/70 63/2+56/35 21/6+56/35 21/10+56/35 21/14+56/35