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

Add 72/42 and 72/56

1^st number: 1 30/42, 2^nd number: 1 16/56

72/42 + 72/56 is 3/1.

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,
72/56 = 72 × 3/56 × 3 = 216/168
Add the two like fractions:
288/168 + 216/168 = 288 + 216/168 = 504/168
504/168 simplified gives 3/1
So, 72/42 + 72/56 = 3/1

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