Subtract 45/20 from 3/24
1st number: 3/24, 2nd number: 2 5/20
3/24 - 45/20 is -17/8.
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,
3/24 = 3 × 5/24 × 5 = 15/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
45/20 = 45 × 6/20 × 6 = 270/120 - Subtract the two like fractions:
15/120 - 270/120 = 15 - 270/120 = -255/120 - After reducing the fraction, the answer is -17/8
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