Add 42/27 and 9/42, Solve 1 15/27 + 9/42 as a fraction

Add 42/27 and 9/42

1^st number: 1 15/27, 2^nd number: 9/42

42/27 + 9/42 is 223/126.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 27 × 14 = 378,
42/27 = 42 × 14/27 × 14 = 588/378
Likewise, for the 2nd fraction, since 42 × 9 = 378,
9/42 = 9 × 9/42 × 9 = 81/378
Add the two like fractions:
588/378 + 81/378 = 588 + 81/378 = 669/378
669/378 simplified gives 223/126
So, 42/27 + 9/42 = 223/126
In mixed form: 197/126

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