Add 42/72 and 48/18, Solve 42/72 + 2 12/18 as a fraction

Add 42/72 and 48/18

1^st number: 42/72, 2^nd number: 2 12/18

42/72 + 48/18 is 13/4.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72
Likewise, for the 2nd fraction, since 18 × 4 = 72,
48/18 = 48 × 4/18 × 4 = 192/72
Add the two like fractions:
42/72 + 192/72 = 42 + 192/72 = 234/72
234/72 simplified gives 13/4
So, 42/72 + 48/18 = 13/4
In mixed form: 31/4

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