Subtract 42/12 from 3/24
1st number: 3/24, 2nd number: 3 6/12
3/24 - 42/12 is -27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
3/24 = 3 × 1/24 × 1 = 3/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
42/12 = 42 × 2/12 × 2 = 84/24 - Subtract the two like fractions:
3/24 - 84/24 = 3 - 84/24 = -81/24 - After reducing the fraction, the answer is -27/8
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