Add 42/27 and 4/63, Solve 1 15/27 + 4/63 as a fraction

Add 42/27 and 4/63

1^st number: 1 15/27, 2^nd number: 4/63

42/27 + 4/63 is 34/21.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
42/27 = 42 × 7/27 × 7 = 294/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
4/63 = 4 × 3/63 × 3 = 12/189
Add the two like fractions:
294/189 + 12/189 = 294 + 12/189 = 306/189
306/189 simplified gives 34/21
So, 42/27 + 4/63 = 34/21
In mixed form: 113/21

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