Add 21/7 and 15/24, Solve 3 0/7 + 15/24 as a fraction

Add 21/7 and 15/24

1^st number: 3 0/7, 2^nd number: 15/24

21/7 + 15/24 is 29/8.

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,
15/24 = 15 × 7/24 × 7 = 105/168
Add the two like fractions:
504/168 + 105/168 = 504 + 105/168 = 609/168
609/168 simplified gives 29/8
So, 21/7 + 15/24 = 29/8
In mixed form: 35/8

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