Subtract 84/80 from 3/12
1st number: 3/12, 2nd number: 1 4/80
3/12 - 84/80 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
3/12 = 3 × 20/12 × 20 = 60/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
84/80 = 84 × 3/80 × 3 = 252/240 - Subtract the two like fractions:
60/240 - 252/240 = 60 - 252/240 = -192/240 - After reducing the fraction, the answer is -4/5
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