Add 4/42 and 90/63, Solve 4/42 + 1 27/63 as a fraction

Add 4/42 and 90/63

1^st number: 4/42, 2^nd number: 1 27/63

4/42 + 90/63 is 32/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
4/42 = 4 × 3/42 × 3 = 12/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
90/63 = 90 × 2/63 × 2 = 180/126
Add the two like fractions:
12/126 + 180/126 = 12 + 180/126 = 192/126
192/126 simplified gives 32/21
So, 4/42 + 90/63 = 32/21
In mixed form: 111/21

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