Subtract 36/32 from 30/40, Solve 30/40

Subtract 36/32 from 30/40

1^st number: 30/40, 2^nd number: 1 4/32

30/40 - 36/32 is -3/8.

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,
30/40 = 30 × 4/40 × 4 = 120/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
36/32 = 36 × 5/32 × 5 = 180/160
Subtract the two like fractions:
120/160 - 180/160 = 120 - 180/160 = -60/160
After reducing the fraction, the answer is -3/8

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