Subtract 5/40 from 7/14
7/14 - 5/40 is 3/8.
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,
7/14 = 7 × 20/14 × 20 = 140/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
5/40 = 5 × 7/40 × 7 = 35/280 - Subtract the two like fractions:
140/280 - 35/280 = 140 - 35/280 = 105/280 - After reducing the fraction, the answer is 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14-10/40 7/28-5/40 7/14-5/80 21/14-5/40 7/14-15/40 7/42-5/40 35/14-5/40 7/14-25/40 7/70-5/40 49/14-5/40 7/14-35/40 7/98-5/40