Subtract 81/3 from 1/2
1st number: 1/2, 2nd number: 27 0/3
1/2 - 81/3 is -53/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 3 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
1/2 = 1 × 3/2 × 3 = 3/6 - Likewise, for the 2nd fraction, since 3 × 2 = 6,
81/3 = 81 × 2/3 × 2 = 162/6 - Subtract the two like fractions:
3/6 - 162/6 = 3 - 162/6 = -159/6 - After reducing the fraction, the answer is -53/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/4-81/3 1/2-81/6 3/2-81/3 1/6-81/3 1/2-81/9 5/2-81/3 1/10-81/3 1/2-81/15 7/2-81/3 1/14-81/3 1/2-81/21