Subtract 10/45 from 4/32, Solve 4/32

Subtract 10/45 from 4/32

4/32 - 10/45 is -7/72.

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,
4/32 = 4 × 45/32 × 45 = 180/1440
Likewise, for the 2nd fraction, since 45 × 32 = 1440,
10/45 = 10 × 32/45 × 32 = 320/1440
Subtract the two like fractions:
180/1440 - 320/1440 = 180 - 320/1440 = -140/1440
After reducing the fraction, the answer is -7/72

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