Add 21/3 and 56/35
1st number: 7 0/3, 2nd number: 1 21/35
21/3 + 56/35 is 43/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 3 × 35 = 105,
21/3 = 21 × 35/3 × 35 = 735/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
56/35 = 56 × 3/35 × 3 = 168/105 - Add the two like fractions:
735/105 + 168/105 = 735 + 168/105 = 903/105 - 903/105 simplified gives 43/5
- So, 21/3 + 56/35 = 43/5
In mixed form: 83/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3+56/35 21/6+56/35 21/3+56/70 63/3+56/35 21/9+56/35 21/15+56/35