Subtract 27/6 from 81/10
1st number: 8 1/10, 2nd number: 4 3/6
81/10 - 27/6 is 18/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 6 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 6 × 5 = 30,
27/6 = 27 × 5/6 × 5 = 135/30 - Subtract the two like fractions:
243/30 - 135/30 = 243 - 135/30 = 108/30 - After reducing the fraction, the answer is 18/5
- In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10-54/6 81/20-27/6 81/10-27/12 81/10-81/6 81/30-27/6 81/10-27/18 81/50-27/6 81/10-27/30 81/70-27/6 81/10-27/42