Subtract 80/14 from 81/2
1st number: 40 1/2, 2nd number: 5 10/14
81/2 - 80/14 is 487/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 14 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
81/2 = 81 × 7/2 × 7 = 567/14 - Likewise, for the 2nd fraction, since 14 × 1 = 14,
80/14 = 80 × 1/14 × 1 = 80/14 - Subtract the two like fractions:
567/14 - 80/14 = 567 - 80/14 = 487/14 - In mixed form: 3411/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4-80/14 81/2-80/28 81/6-80/14 81/2-80/42 81/10-80/14 81/2-80/70 81/14-80/14 81/2-80/98