Add 72/42 and 56/16, Solve 1 30/42 + 3 8/16 as a fraction

Add 72/42 and 56/16

1^st number: 1 30/42, 2^nd number: 3 8/16

72/42 + 56/16 is 73/14.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 42 × 8 = 336,
72/42 = 72 × 8/42 × 8 = 576/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
56/16 = 56 × 21/16 × 21 = 1176/336
Add the two like fractions:
576/336 + 1176/336 = 576 + 1176/336 = 1752/336
1752/336 simplified gives 73/14
So, 72/42 + 56/16 = 73/14
In mixed form: 53/14

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