Subtract 80/18 from 98/27
1st number: 3 17/27, 2nd number: 4 8/18
98/27 - 80/18 is -22/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
98/27 = 98 × 2/27 × 2 = 196/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
80/18 = 80 × 3/18 × 3 = 240/54 - Subtract the two like fractions:
196/54 - 240/54 = 196 - 240/54 = -44/54 - After reducing the fraction, the answer is -22/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/54-80/18 98/27-80/36 98/81-80/18 98/27-80/54 98/27-80/90