Subtract 3/10 from 81/14
1st number: 5 11/14, 2nd number: 3/10
81/14 - 3/10 is 192/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
3/10 = 3 × 7/10 × 7 = 21/70 - Subtract the two like fractions:
405/70 - 21/70 = 405 - 21/70 = 384/70 - After reducing the fraction, the answer is 192/35
- In mixed form: 517/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/14-6/10 81/28-3/10 81/14-3/20 81/14-9/10 81/42-3/10 81/14-3/30 81/14-15/10 81/70-3/10 81/14-3/50 81/14-21/10 81/98-3/10 81/14-3/70