Add 9/72 and 42/35, Solve 9/72 + 1 7/35 as a fraction

Add 9/72 and 42/35

1^st number: 9/72, 2^nd number: 1 7/35

9/72 + 42/35 is 53/40.

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,
9/72 = 9 × 35/72 × 35 = 315/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
42/35 = 42 × 72/35 × 72 = 3024/2520
Add the two like fractions:
315/2520 + 3024/2520 = 315 + 3024/2520 = 3339/2520
3339/2520 simplified gives 53/40
So, 9/72 + 42/35 = 53/40
In mixed form: 113/40

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