Subtract 49/18 from 2/90
1st number: 2/90, 2nd number: 2 13/18
2/90 - 49/18 is -27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
49/18 = 49 × 5/18 × 5 = 245/90 - Subtract the two like fractions:
2/90 - 245/90 = 2 - 245/90 = -243/90 - After reducing the fraction, the answer is -27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-49/18 2/90-98/18 2/90-49/36 6/90-49/18 2/90-49/54 10/90-49/18 2/90-49/90 14/90-49/18