Add 72/16 and 7/84, Solve 4 8/16 + 7/84 as a fraction

Add 72/16 and 7/84

1^st number: 4 8/16, 2^nd number: 7/84

72/16 + 7/84 is 55/12.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
72/16 = 72 × 21/16 × 21 = 1512/336
Likewise, for the 2nd fraction, since 84 × 4 = 336,
7/84 = 7 × 4/84 × 4 = 28/336
Add the two like fractions:
1512/336 + 28/336 = 1512 + 28/336 = 1540/336
1540/336 simplified gives 55/12
So, 72/16 + 7/84 = 55/12
In mixed form: 47/12

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