Subtract 3/32 from 42/27, Solve 1 15/27

Subtract 3/32 from 42/27

1^st number: 1 15/27, 2^nd number: 3/32

42/27 - 3/32 is 421/288.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 32 is 864

Next, find the equivalent fraction of both fractional numbers with denominator 864
For the 1st fraction, since 27 × 32 = 864,
42/27 = 42 × 32/27 × 32 = 1344/864
Likewise, for the 2nd fraction, since 32 × 27 = 864,
3/32 = 3 × 27/32 × 27 = 81/864
Subtract the two like fractions:
1344/864 - 81/864 = 1344 - 81/864 = 1263/864
After reducing the fraction, the answer is 421/288
In mixed form: 1133/288

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