Subtract 2/12 from 4/80
4/80 - 2/12 is -7/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
2/12 = 2 × 20/12 × 20 = 40/240 - Subtract the two like fractions:
12/240 - 40/240 = 12 - 40/240 = -28/240 - After reducing the fraction, the answer is -7/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/80-2/12 4/80-4/12 4/80-2/24 12/80-2/12 4/80-6/12 4/80-2/36 20/80-2/12 4/80-10/12 4/80-2/60 28/80-2/12 4/80-14/12 4/80-2/84