Add 90/42 and 20/63, Solve 2 6/42 + 20/63 as a fraction

Add 90/42 and 20/63

1^st number: 2 6/42, 2^nd number: 20/63

90/42 + 20/63 is 155/63.

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,
90/42 = 90 × 3/42 × 3 = 270/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
20/63 = 20 × 2/63 × 2 = 40/126
Add the two like fractions:
270/126 + 40/126 = 270 + 40/126 = 310/126
310/126 simplified gives 155/63
So, 90/42 + 20/63 = 155/63
In mixed form: 229/63

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