Subtract 54/12 from 2/80
1st number: 2/80, 2nd number: 4 6/12
2/80 - 54/12 is -179/40.
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,
2/80 = 2 × 3/80 × 3 = 6/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
54/12 = 54 × 20/12 × 20 = 1080/240 - Subtract the two like fractions:
6/240 - 1080/240 = 6 - 1080/240 = -1074/240 - After reducing the fraction, the answer is -179/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80-54/12 2/80-54/24 6/80-54/12 2/80-54/36 10/80-54/12 2/80-54/60 14/80-54/12 2/80-54/84