Subtract 12/3 from 40/20
1st number: 2 0/20, 2nd number: 4 0/3
40/20 - 12/3 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
12/3 = 12 × 20/3 × 20 = 240/60 - Subtract the two like fractions:
120/60 - 240/60 = 120 - 240/60 = -120/60 - After reducing the fraction, the answer is -2/1
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