Subtract 50/9 from 98/81
1st number: 1 17/81, 2nd number: 5 5/9
98/81 - 50/9 is -352/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
98/81 = 98 × 1/81 × 1 = 98/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
50/9 = 50 × 9/9 × 9 = 450/81 - Subtract the two like fractions:
98/81 - 450/81 = 98 - 450/81 = -352/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/81-50/18 98/81-50/27 98/81-50/45 98/81-50/63