Subtract 54/42 from 2/48
1st number: 2/48, 2nd number: 1 12/42
2/48 - 54/42 is -209/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
2/48 = 2 × 7/48 × 7 = 14/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
54/42 = 54 × 8/42 × 8 = 432/336 - Subtract the two like fractions:
14/336 - 432/336 = 14 - 432/336 = -418/336 - After reducing the fraction, the answer is -209/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/48-54/42 2/96-54/42 2/48-54/84 6/48-54/42 10/48-54/42 14/48-54/42