Add 42/4 and 30/72, Solve 10 2/4 + 30/72 as a fraction

Add 42/4 and 30/72

1^st number: 10 2/4, 2^nd number: 30/72

42/4 + 30/72 is 131/12.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 4 × 18 = 72,
42/4 = 42 × 18/4 × 18 = 756/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72
Add the two like fractions:
756/72 + 30/72 = 756 + 30/72 = 786/72
786/72 simplified gives 131/12
So, 42/4 + 30/72 = 131/12
In mixed form: 1011/12

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