Subtract 48/40 from 7/14
1st number: 7/14, 2nd number: 1 8/40
7/14 - 48/40 is -7/10.
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,
48/40 = 48 × 7/40 × 7 = 336/280 - Subtract the two like fractions:
140/280 - 336/280 = 140 - 336/280 = -196/280 - After reducing the fraction, the answer is -7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14-96/40 7/28-48/40 7/14-48/80 21/14-48/40 7/42-48/40 35/14-48/40 7/70-48/40 49/14-48/40 7/98-48/40