Subtract 15/25 from 40/32, Solve 1 8/32

Subtract 15/25 from 40/32

1^st number: 1 8/32, 2^nd number: 15/25

40/32 - 15/25 is 13/20.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 25 is 800

Next, find the equivalent fraction of both fractional numbers with denominator 800
For the 1st fraction, since 32 × 25 = 800,
40/32 = 40 × 25/32 × 25 = 1000/800
Likewise, for the 2nd fraction, since 25 × 32 = 800,
15/25 = 15 × 32/25 × 32 = 480/800
Subtract the two like fractions:
1000/800 - 480/800 = 1000 - 480/800 = 520/800
After reducing the fraction, the answer is 13/20

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