Add 16/4 and 84/72, Solve 4 0/4 + 1 12/72 as a fraction

Add 16/4 and 84/72

1^st number: 4 0/4, 2^nd number: 1 12/72

16/4 + 84/72 is 31/6.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 4 × 18 = 72,
16/4 = 16 × 18/4 × 18 = 288/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72
Add the two like fractions:
288/72 + 84/72 = 288 + 84/72 = 372/72
372/72 simplified gives 31/6
So, 16/4 + 84/72 = 31/6
In mixed form: 51/6

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