Subtract 27/40 from 14/5
1st number: 2 4/5, 2nd number: 27/40
14/5 - 27/40 is 17/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
14/5 = 14 × 8/5 × 8 = 112/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
27/40 = 27 × 1/40 × 1 = 27/40 - Subtract the two like fractions:
112/40 - 27/40 = 112 - 27/40 = 85/40 - After reducing the fraction, the answer is 17/8
- In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/5-27/40 14/5-54/40 14/10-27/40 14/5-27/80 42/5-27/40 14/5-81/40 14/15-27/40 70/5-27/40 14/25-27/40 98/5-27/40 14/35-27/40