Subtract 7/20 from 36/32, Solve 1 4/32

Subtract 7/20 from 36/32

1^st number: 1 4/32, 2^nd number: 7/20

36/32 - 7/20 is 31/40.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 32 × 5 = 160,
36/32 = 36 × 5/32 × 5 = 180/160
Likewise, for the 2nd fraction, since 20 × 8 = 160,
7/20 = 7 × 8/20 × 8 = 56/160
Subtract the two like fractions:
180/160 - 56/160 = 180 - 56/160 = 124/160
After reducing the fraction, the answer is 31/40

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