Subtract 35/40 from 81/14
1st number: 5 11/14, 2nd number: 35/40
81/14 - 35/40 is 275/56.
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,
81/14 = 81 × 20/14 × 20 = 1620/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
35/40 = 35 × 7/40 × 7 = 245/280 - Subtract the two like fractions:
1620/280 - 245/280 = 1620 - 245/280 = 1375/280 - After reducing the fraction, the answer is 275/56
- In mixed form: 451/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/14-70/40 81/28-35/40 81/14-35/80 81/42-35/40 81/70-35/40 81/98-35/40