Add 21/7 and 56/24
1st number: 3 0/7, 2nd number: 2 8/24
21/7 + 56/24 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
21/7 = 21 × 24/7 × 24 = 504/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
56/24 = 56 × 7/24 × 7 = 392/168 - Add the two like fractions:
504/168 + 392/168 = 504 + 392/168 = 896/168 - 896/168 simplified gives 16/3
- So, 21/7 + 56/24 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7+56/24 21/14+56/24 21/7+56/48 63/7+56/24 21/7+56/72 21/35+56/24 21/49+56/24