Add 15/7 and 21/16, Solve 2 1/7 + 1 5/16 as a fraction

Add 15/7 and 21/16

1^st number: 2 1/7, 2^nd number: 1 5/16

15/7 + 21/16 is 387/112.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 7 × 16 = 112,
15/7 = 15 × 16/7 × 16 = 240/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112
Add the two like fractions:
240/112 + 147/112 = 240 + 147/112 = 387/112
So, 15/7 + 21/16 = 387/112
In mixed form: 351/112

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