Subtract 48/40 from 2/12
1st number: 2/12, 2nd number: 1 8/40
2/12 - 48/40 is -31/30.
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,
2/12 = 2 × 10/12 × 10 = 20/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
48/40 = 48 × 3/40 × 3 = 144/120 - Subtract the two like fractions:
20/120 - 144/120 = 20 - 144/120 = -124/120 - After reducing the fraction, the answer is -31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-48/40 2/12-96/40 2/24-48/40 2/12-48/80 6/12-48/40 2/36-48/40 10/12-48/40 2/60-48/40 14/12-48/40 2/84-48/40