Subtract 30/27 from 28/32, Solve 28/32

Subtract 30/27 from 28/32

1^st number: 28/32, 2^nd number: 1 3/27

28/32 - 30/27 is -17/72.

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

Next, find the equivalent fraction of both fractional numbers with denominator 864
For the 1st fraction, since 32 × 27 = 864,
28/32 = 28 × 27/32 × 27 = 756/864
Likewise, for the 2nd fraction, since 27 × 32 = 864,
30/27 = 30 × 32/27 × 32 = 960/864
Subtract the two like fractions:
756/864 - 960/864 = 756 - 960/864 = -204/864
After reducing the fraction, the answer is -17/72

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