Add 21/56 and 1/24
21/56 + 1/24 is 5/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168 - Add the two like fractions:
63/168 + 7/168 = 63 + 7/168 = 70/168 - 70/168 simplified gives 5/12
- So, 21/56 + 1/24 = 5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/56+1/24 21/56+2/24 21/56+1/48 63/56+1/24 21/56+3/24 21/56+1/72 21/56+5/24 21/56+7/24