Subtract 42/5 from 3/24, Solve 3/24

Subtract 42/5 from 3/24

1^st number: 3/24, 2^nd number: 8 2/5

3/24 - 42/5 is -331/40.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 5 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120
Likewise, for the 2nd fraction, since 5 × 24 = 120,
42/5 = 42 × 24/5 × 24 = 1008/120
Subtract the two like fractions:
15/120 - 1008/120 = 15 - 1008/120 = -993/120
After reducing the fraction, the answer is -331/40

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