Subtract 42/54 from 2/49
2/49 - 42/54 is -325/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 49 × 54 = 2646,
2/49 = 2 × 54/49 × 54 = 108/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
42/54 = 42 × 49/54 × 49 = 2058/2646 - Subtract the two like fractions:
108/2646 - 2058/2646 = 108 - 2058/2646 = -1950/2646 - After reducing the fraction, the answer is -325/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/49-42/54 2/49-84/54 2/98-42/54 6/49-42/54 10/49-42/54 14/49-42/54