Subtract 9/80 from 1/12
1/12 - 9/80 is -7/240.
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,
1/12 = 1 × 20/12 × 20 = 20/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
9/80 = 9 × 3/80 × 3 = 27/240 - Subtract the two like fractions:
20/240 - 27/240 = 20 - 27/240 = -7/240
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