Subtract 5/56 from 81/2
1st number: 40 1/2, 2nd number: 5/56
81/2 - 5/56 is 2263/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
81/2 = 81 × 28/2 × 28 = 2268/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
5/56 = 5 × 1/56 × 1 = 5/56 - Subtract the two like fractions:
2268/56 - 5/56 = 2268 - 5/56 = 2263/56 - In mixed form: 4023/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/2-10/56 81/4-5/56 81/2-15/56 81/6-5/56 81/2-25/56 81/10-5/56 81/2-35/56 81/14-5/56