Subtract 7/40 from 40/14
1st number: 2 12/14, 2nd number: 7/40
40/14 - 7/40 is 751/280.
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,
40/14 = 40 × 20/14 × 20 = 800/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Subtract the two like fractions:
800/280 - 49/280 = 800 - 49/280 = 751/280 - In mixed form: 2191/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-7/40 40/14-14/40 40/28-7/40 40/14-7/80 40/14-21/40 40/42-7/40 40/14-35/40 40/70-7/40 40/14-49/40 40/98-7/40