Subtract 42/48 from 2/12
2/12 - 42/48 is -17/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
2/12 = 2 × 4/12 × 4 = 8/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
42/48 = 42 × 1/48 × 1 = 42/48 - Subtract the two like fractions:
8/48 - 42/48 = 8 - 42/48 = -34/48 - After reducing the fraction, the answer is -17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-42/48 2/12-84/48 2/24-42/48 2/12-42/96 6/12-42/48 2/36-42/48 10/12-42/48 2/60-42/48 14/12-42/48 2/84-42/48