Add 15/72 and 42/35, Solve 15/72 + 1 7/35 as a fraction

Add 15/72 and 42/35

1^st number: 15/72, 2^nd number: 1 7/35

15/72 + 42/35 is 169/120.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
15/72 = 15 × 35/72 × 35 = 525/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
42/35 = 42 × 72/35 × 72 = 3024/2520
Add the two like fractions:
525/2520 + 3024/2520 = 525 + 3024/2520 = 3549/2520
3549/2520 simplified gives 169/120
So, 15/72 + 42/35 = 169/120
In mixed form: 149/120

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