Subtract 48/6 from 15/40, Solve 15/40

Subtract 48/6 from 15/40

1^st number: 15/40, 2^nd number: 8 0/6

15/40 - 48/6 is -61/8.

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,
15/40 = 15 × 3/40 × 3 = 45/120
Likewise, for the 2nd fraction, since 6 × 20 = 120,
48/6 = 48 × 20/6 × 20 = 960/120
Subtract the two like fractions:
45/120 - 960/120 = 45 - 960/120 = -915/120
After reducing the fraction, the answer is -61/8

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