Subtract 60/80 from 1/12
1/12 - 60/80 is -2/3.
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,
60/80 = 60 × 3/80 × 3 = 180/240 - Subtract the two like fractions:
20/240 - 180/240 = 20 - 180/240 = -160/240 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-60/80 1/24-60/80 3/12-60/80 1/36-60/80 5/12-60/80 1/60-60/80 7/12-60/80 1/84-60/80