Add 21/15 and 30/32, Solve 1 6/15 + 30/32 as a fraction

Add 21/15 and 30/32

1^st number: 1 6/15, 2^nd number: 30/32

21/15 + 30/32 is 187/80.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 32 is 480

Next, find the equivalent fraction of both fractional numbers with denominator 480
For the 1st fraction, since 15 × 32 = 480,
21/15 = 21 × 32/15 × 32 = 672/480
Likewise, for the 2nd fraction, since 32 × 15 = 480,
30/32 = 30 × 15/32 × 15 = 450/480
Add the two like fractions:
672/480 + 450/480 = 672 + 450/480 = 1122/480
1122/480 simplified gives 187/80
So, 21/15 + 30/32 = 187/80
In mixed form: 227/80

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