Subtract 81/80 from 6/12
1st number: 6/12, 2nd number: 1 1/80
6/12 - 81/80 is -41/80.
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,
6/12 = 6 × 20/12 × 20 = 120/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240 - Subtract the two like fractions:
120/240 - 243/240 = 120 - 243/240 = -123/240 - After reducing the fraction, the answer is -41/80
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