Subtract 9/30 from 45/24, Solve 1 21/24

Subtract 9/30 from 45/24

1^st number: 1 21/24, 2^nd number: 9/30

45/24 - 9/30 is 63/40.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 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 30 × 4 = 120,
9/30 = 9 × 4/30 × 4 = 36/120
Subtract the two like fractions:
225/120 - 36/120 = 225 - 36/120 = 189/120
After reducing the fraction, the answer is 63/40
In mixed form: 123/40

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