Subtract 81/10 from 36/14
1st number: 2 8/14, 2nd number: 8 1/10
36/14 - 81/10 is -387/70.
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,
36/14 = 36 × 5/14 × 5 = 180/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
81/10 = 81 × 7/10 × 7 = 567/70 - Subtract the two like fractions:
180/70 - 567/70 = 180 - 567/70 = -387/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-81/10 36/28-81/10 36/14-81/20 36/42-81/10 36/14-81/30 36/70-81/10 36/14-81/50 36/98-81/10 36/14-81/70