Subtract 8/54 from 27/10
1st number: 2 7/10, 2nd number: 8/54
27/10 - 8/54 is 689/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
27/10 = 27 × 27/10 × 27 = 729/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
8/54 = 8 × 5/54 × 5 = 40/270 - Subtract the two like fractions:
729/270 - 40/270 = 729 - 40/270 = 689/270 - In mixed form: 2149/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-8/54 27/10-16/54 27/20-8/54 81/10-8/54 27/10-24/54 27/30-8/54 27/10-40/54 27/50-8/54 27/10-56/54 27/70-8/54