Add 21/24 and 5/7
21/24 + 5/7 is 89/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
21/24 = 21 × 7/24 × 7 = 147/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
5/7 = 5 × 24/7 × 24 = 120/168 - Add the two like fractions:
147/168 + 120/168 = 147 + 120/168 = 267/168 - 267/168 simplified gives 89/56
- So, 21/24 + 5/7 = 89/56
In mixed form: 133/56
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