Subtract 90/54 from 2/49
1st number: 2/49, 2nd number: 1 36/54
2/49 - 90/54 is -239/147.
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,
90/54 = 90 × 49/54 × 49 = 4410/2646 - Subtract the two like fractions:
108/2646 - 4410/2646 = 108 - 4410/2646 = -4302/2646 - After reducing the fraction, the answer is -239/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/49-90/54 2/98-90/54 6/49-90/54 10/49-90/54 14/49-90/54