Subtract 20/45 from 3/32, Solve 3/32

Subtract 20/45 from 3/32

3/32 - 20/45 is -101/288.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 45 is 1440

Next, find the equivalent fraction of both fractional numbers with denominator 1440
For the 1st fraction, since 32 × 45 = 1440,
3/32 = 3 × 45/32 × 45 = 135/1440
Likewise, for the 2nd fraction, since 45 × 32 = 1440,
20/45 = 20 × 32/45 × 32 = 640/1440
Subtract the two like fractions:
135/1440 - 640/1440 = 135 - 640/1440 = -505/1440
After reducing the fraction, the answer is -101/288

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