Add 21/7 and 20/16, Solve 3 0/7 + 1 4/16 as a fraction

Add 21/7 and 20/16

1^st number: 3 0/7, 2^nd number: 1 4/16

21/7 + 20/16 is 17/4.

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,
21/7 = 21 × 16/7 × 16 = 336/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112
Add the two like fractions:
336/112 + 140/112 = 336 + 140/112 = 476/112
476/112 simplified gives 17/4
So, 21/7 + 20/16 = 17/4
In mixed form: 41/4

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