Add 72/42 and 28/56, Solve 1 30/42 + 28/56 as a fraction

Add 72/42 and 28/56

1^st number: 1 30/42, 2^nd number: 28/56

72/42 + 28/56 is 31/14.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
72/42 = 72 × 4/42 × 4 = 288/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
28/56 = 28 × 3/56 × 3 = 84/168
Add the two like fractions:
288/168 + 84/168 = 288 + 84/168 = 372/168
372/168 simplified gives 31/14
So, 72/42 + 28/56 = 31/14
In mixed form: 23/14

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