Add 15/7 and 21/24
1st number: 2 1/7, 2nd number: 21/24
15/7 + 21/24 is 169/56.
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,
15/7 = 15 × 24/7 × 24 = 360/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
21/24 = 21 × 7/24 × 7 = 147/168 - Add the two like fractions:
360/168 + 147/168 = 360 + 147/168 = 507/168 - 507/168 simplified gives 169/56
- So, 15/7 + 21/24 = 169/56
In mixed form: 31/56
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