Subtract 45/32 from 10/40, Solve 10/40

Subtract 45/32 from 10/40

1^st number: 10/40, 2^nd number: 1 13/32

10/40 - 45/32 is -37/32.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 32 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 40 × 4 = 160,
10/40 = 10 × 4/40 × 4 = 40/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
45/32 = 45 × 5/32 × 5 = 225/160
Subtract the two like fractions:
40/160 - 225/160 = 40 - 225/160 = -185/160
After reducing the fraction, the answer is -37/32

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