Subtract 3/30 from 18/24
18/24 - 3/30 is 13/20.
Steps for subtracting fractions
- 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,
18/24 = 18 × 5/24 × 5 = 90/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
3/30 = 3 × 4/30 × 4 = 12/120 - Subtract the two like fractions:
90/120 - 12/120 = 90 - 12/120 = 78/120 - After reducing the fraction, the answer is 13/20
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