Subtract 1/3 from 81/10
1st number: 8 1/10, 2nd number: 1/3
81/10 - 1/3 is 233/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
81/10 = 81 × 3/10 × 3 = 243/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
1/3 = 1 × 10/3 × 10 = 10/30 - Subtract the two like fractions:
243/30 - 10/30 = 243 - 10/30 = 233/30 - In mixed form: 723/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10-2/3 81/20-1/3 81/10-1/6 81/30-1/3 81/10-1/9 81/10-5/3 81/50-1/3 81/10-1/15 81/10-7/3 81/70-1/3 81/10-1/21