Subtract 98/90 from 10/9
1st number: 1 1/9, 2nd number: 1 8/90
10/9 - 98/90 is 1/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
10/9 = 10 × 10/9 × 10 = 100/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
98/90 = 98 × 1/90 × 1 = 98/90 - Subtract the two like fractions:
100/90 - 98/90 = 100 - 98/90 = 2/90 - After reducing the fraction, the answer is 1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9-98/90 10/18-98/90 30/9-98/90 10/27-98/90 50/9-98/90 10/45-98/90 70/9-98/90 10/63-98/90