Subtract 5/35 from 42/27, Solve 1 15/27

Subtract 5/35 from 42/27

1^st number: 1 15/27, 2^nd number: 5/35

42/27 - 5/35 is 89/63.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945

Next, find the equivalent fraction of both fractional numbers with denominator 945
For the 1st fraction, since 27 × 35 = 945,
42/27 = 42 × 35/27 × 35 = 1470/945
Likewise, for the 2nd fraction, since 35 × 27 = 945,
5/35 = 5 × 27/35 × 27 = 135/945
Subtract the two like fractions:
1470/945 - 135/945 = 1470 - 135/945 = 1335/945
After reducing the fraction, the answer is 89/63
In mixed form: 126/63

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