Subtract 10/40 from 8/14
8/14 - 10/40 is 9/28.
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,
10/40 = 10 × 7/40 × 7 = 70/280 - Subtract the two like fractions:
160/280 - 70/280 = 160 - 70/280 = 90/280 - After reducing the fraction, the answer is 9/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-10/40 8/14-20/40 8/28-10/40 8/14-10/80 24/14-10/40 8/14-30/40 8/42-10/40 40/14-10/40 8/14-50/40 8/70-10/40 56/14-10/40 8/14-70/40 8/98-10/40