Add 42/27 and 75/63, Solve 1 15/27 + 1 12/63 as a fraction

Add 42/27 and 75/63

1^st number: 1 15/27, 2^nd number: 1 12/63

42/27 + 75/63 is 173/63.

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,
75/63 = 75 × 3/63 × 3 = 225/189
Add the two like fractions:
294/189 + 225/189 = 294 + 225/189 = 519/189
519/189 simplified gives 173/63
So, 42/27 + 75/63 = 173/63
In mixed form: 247/63

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