Subtract 42/5 from 6/24, Solve 6/24

Subtract 42/5 from 6/24

1^st number: 6/24, 2^nd number: 8 2/5

6/24 - 42/5 is -163/20.

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,
6/24 = 6 × 5/24 × 5 = 30/120
Likewise, for the 2nd fraction, since 5 × 24 = 120,
42/5 = 42 × 24/5 × 24 = 1008/120
Subtract the two like fractions:
30/120 - 1008/120 = 30 - 1008/120 = -978/120
After reducing the fraction, the answer is -163/20

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