Subtract 36/30 from 5/40, Solve 5/40

Subtract 36/30 from 5/40

1^st number: 5/40, 2^nd number: 1 6/30

5/40 - 36/30 is -43/40.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120
Likewise, for the 2nd fraction, since 30 × 4 = 120,
36/30 = 36 × 4/30 × 4 = 144/120
Subtract the two like fractions:
15/120 - 144/120 = 15 - 144/120 = -129/120
After reducing the fraction, the answer is -43/40

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