Add 15/42 and 98/27, Solve 15/42 + 3 17/27 as a fraction

Add 15/42 and 98/27

1^st number: 15/42, 2^nd number: 3 17/27

15/42 + 98/27 is 1507/378.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
15/42 = 15 × 9/42 × 9 = 135/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
98/27 = 98 × 14/27 × 14 = 1372/378
Add the two like fractions:
135/378 + 1372/378 = 135 + 1372/378 = 1507/378
So, 15/42 + 98/27 = 1507/378
In mixed form: 3373/378

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