Add 42/35 and 27/72, Solve 1 7/35 + 27/72 as a fraction

Add 42/35 and 27/72

1^st number: 1 7/35, 2^nd number: 27/72

42/35 + 27/72 is 63/40.

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

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 35 × 72 = 2520,
42/35 = 42 × 72/35 × 72 = 3024/2520
Likewise, for the 2nd fraction, since 72 × 35 = 2520,
27/72 = 27 × 35/72 × 35 = 945/2520
Add the two like fractions:
3024/2520 + 945/2520 = 3024 + 945/2520 = 3969/2520
3969/2520 simplified gives 63/40
So, 42/35 + 27/72 = 63/40
In mixed form: 123/40

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