Subtract 21/30 from 6/24
6/24 - 21/30 is -9/20.
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,
6/24 = 6 × 5/24 × 5 = 30/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
21/30 = 21 × 4/30 × 4 = 84/120 - Subtract the two like fractions:
30/120 - 84/120 = 30 - 84/120 = -54/120 - After reducing the fraction, the answer is -9/20
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