Add 54/42 and 30/63, Solve 1 12/42 + 30/63 as a fraction

Add 54/42 and 30/63

1^st number: 1 12/42, 2^nd number: 30/63

54/42 + 30/63 is 37/21.

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,
54/42 = 54 × 3/42 × 3 = 162/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126
Add the two like fractions:
162/126 + 60/126 = 162 + 60/126 = 222/126
222/126 simplified gives 37/21
So, 54/42 + 30/63 = 37/21
In mixed form: 116/21

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