Subtract 9/6 from 8/40, Solve 8/40

Subtract 9/6 from 8/40

1^st number: 8/40, 2^nd number: 1 3/6

8/40 - 9/6 is -13/10.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120
Likewise, for the 2nd fraction, since 6 × 20 = 120,
9/6 = 9 × 20/6 × 20 = 180/120
Subtract the two like fractions:
24/120 - 180/120 = 24 - 180/120 = -156/120
After reducing the fraction, the answer is -13/10

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