Subtract 98/40 from 8/14
1st number: 8/14, 2nd number: 2 18/40
8/14 - 98/40 is -263/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
8/14 = 8 × 20/14 × 20 = 160/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
98/40 = 98 × 7/40 × 7 = 686/280 - Subtract the two like fractions:
160/280 - 686/280 = 160 - 686/280 = -526/280 - After reducing the fraction, the answer is -263/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-98/40 8/28-98/40 8/14-98/80 24/14-98/40 8/42-98/40 40/14-98/40 8/70-98/40 56/14-98/40 8/98-98/40