Subtract 27/20 from 4/24, Solve 4/24

Subtract 27/20 from 4/24

1^st number: 4/24, 2^nd number: 1 7/20

4/24 - 27/20 is -71/60.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 24 × 5 = 120,
4/24 = 4 × 5/24 × 5 = 20/120
Likewise, for the 2nd fraction, since 20 × 6 = 120,
27/20 = 27 × 6/20 × 6 = 162/120
Subtract the two like fractions:
20/120 - 162/120 = 20 - 162/120 = -142/120
After reducing the fraction, the answer is -71/60

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