Add 21/7 and 18/32, Solve 3 0/7 + 18/32 as a fraction

Add 21/7 and 18/32

1^st number: 3 0/7, 2^nd number: 18/32

21/7 + 18/32 is 57/16.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224

Next, find the equivalent fraction of both fractional numbers with denominator 224
For the 1st fraction, since 7 × 32 = 224,
21/7 = 21 × 32/7 × 32 = 672/224
Likewise, for the 2nd fraction, since 32 × 7 = 224,
18/32 = 18 × 7/32 × 7 = 126/224
Add the two like fractions:
672/224 + 126/224 = 672 + 126/224 = 798/224
798/224 simplified gives 57/16
So, 21/7 + 18/32 = 57/16
In mixed form: 39/16

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