Subtract 21/24 from 5/30
5/30 - 21/24 is -17/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
5/30 = 5 × 4/30 × 4 = 20/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Subtract the two like fractions:
20/120 - 105/120 = 20 - 105/120 = -85/120 - After reducing the fraction, the answer is -17/24
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