Subtract 56/27 from 98/90
1st number: 1 8/90, 2nd number: 2 2/27
98/90 - 56/27 is -133/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
98/90 = 98 × 3/90 × 3 = 294/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
56/27 = 56 × 10/27 × 10 = 560/270 - Subtract the two like fractions:
294/270 - 560/270 = 294 - 560/270 = -266/270 - After reducing the fraction, the answer is -133/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90-56/54 98/90-56/81