Add 72/16 and 28/84, Solve 4 8/16 + 28/84 as a fraction

Add 72/16 and 28/84

1^st number: 4 8/16, 2^nd number: 28/84

72/16 + 28/84 is 29/6.

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,
28/84 = 28 × 4/84 × 4 = 112/336
Add the two like fractions:
1512/336 + 112/336 = 1512 + 112/336 = 1624/336
1624/336 simplified gives 29/6
So, 72/16 + 28/84 = 29/6
In mixed form: 45/6

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