Subtract 20/5 from 30/24, Solve 1 6/24

Subtract 20/5 from 30/24

1^st number: 1 6/24, 2^nd number: 4 0/5

30/24 - 20/5 is -11/4.

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,
30/24 = 30 × 5/24 × 5 = 150/120
Likewise, for the 2nd fraction, since 5 × 24 = 120,
20/5 = 20 × 24/5 × 24 = 480/120
Subtract the two like fractions:
150/120 - 480/120 = 150 - 480/120 = -330/120
After reducing the fraction, the answer is -11/4

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