Subtract 4/5 from 45/24, Solve 1 21/24

Subtract 4/5 from 45/24

1^st number: 1 21/24, 2^nd number: 4/5

45/24 - 4/5 is 43/40.

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,
45/24 = 45 × 5/24 × 5 = 225/120
Likewise, for the 2nd fraction, since 5 × 24 = 120,
4/5 = 4 × 24/5 × 24 = 96/120
Subtract the two like fractions:
225/120 - 96/120 = 225 - 96/120 = 129/120
After reducing the fraction, the answer is 43/40
In mixed form: 13/40

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