Subtract 25/24 from 21/30
1st number: 21/30, 2nd number: 1 1/24
21/30 - 25/24 is -41/120.
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,
21/30 = 21 × 4/30 × 4 = 84/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
25/24 = 25 × 5/24 × 5 = 125/120 - Subtract the two like fractions:
84/120 - 125/120 = 84 - 125/120 = -41/120
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