Subtract 12/3 from 20/8
1st number: 2 4/8, 2nd number: 4 0/3
20/8 - 12/3 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
20/8 = 20 × 3/8 × 3 = 60/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
12/3 = 12 × 8/3 × 8 = 96/24 - Subtract the two like fractions:
60/24 - 96/24 = 60 - 96/24 = -36/24 - After reducing the fraction, the answer is -3/2
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