Subtract 8/18 from 98/40
1st number: 2 18/40, 2nd number: 8/18
98/40 - 8/18 is 361/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
98/40 = 98 × 9/40 × 9 = 882/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
8/18 = 8 × 20/18 × 20 = 160/360 - Subtract the two like fractions:
882/360 - 160/360 = 882 - 160/360 = 722/360 - After reducing the fraction, the answer is 361/180
- In mixed form: 21/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-16/18 98/80-8/18 98/40-8/36 98/40-24/18 98/40-8/54 98/40-40/18 98/40-8/90 98/40-56/18