Subtract 3/20 from 45/24
1st number: 1 21/24, 2nd number: 3/20
45/24 - 3/20 is 69/40.
Steps for subtracting fractions
- 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,
45/24 = 45 × 5/24 × 5 = 225/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
3/20 = 3 × 6/20 × 6 = 18/120 - Subtract the two like fractions:
225/120 - 18/120 = 225 - 18/120 = 207/120 - After reducing the fraction, the answer is 69/40
- In mixed form: 129/40
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