Subtract 45/8 from 40/25, Solve 1 15/25

Subtract 45/8 from 40/25

1^st number: 1 15/25, 2^nd number: 5 5/8

40/25 - 45/8 is -161/40.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200

Next, find the equivalent fraction of both fractional numbers with denominator 200
For the 1st fraction, since 25 × 8 = 200,
40/25 = 40 × 8/25 × 8 = 320/200
Likewise, for the 2nd fraction, since 8 × 25 = 200,
45/8 = 45 × 25/8 × 25 = 1125/200
Subtract the two like fractions:
320/200 - 1125/200 = 320 - 1125/200 = -805/200
After reducing the fraction, the answer is -161/40

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