Subtract 20/5 from 9/12
1st number: 9/12, 2nd number: 4 0/5
9/12 - 20/5 is -13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
20/5 = 20 × 12/5 × 12 = 240/60 - Subtract the two like fractions:
45/60 - 240/60 = 45 - 240/60 = -195/60 - After reducing the fraction, the answer is -13/4
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