Subtract 54/40 from 1/12
1st number: 1/12, 2nd number: 1 14/40
1/12 - 54/40 is -19/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
1/12 = 1 × 10/12 × 10 = 10/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
54/40 = 54 × 3/40 × 3 = 162/120 - Subtract the two like fractions:
10/120 - 162/120 = 10 - 162/120 = -152/120 - After reducing the fraction, the answer is -19/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-54/40 1/24-54/40 1/12-54/80 3/12-54/40 1/36-54/40 5/12-54/40 1/60-54/40 7/12-54/40 1/84-54/40