Subtract 3/54 from 18/10
1st number: 1 8/10, 2nd number: 3/54
18/10 - 3/54 is 157/90.
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,
18/10 = 18 × 27/10 × 27 = 486/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Subtract the two like fractions:
486/270 - 15/270 = 486 - 15/270 = 471/270 - After reducing the fraction, the answer is 157/90
- In mixed form: 167/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10-3/54 18/10-6/54 18/20-3/54 54/10-3/54 18/10-9/54 18/30-3/54 90/10-3/54 18/10-15/54 18/50-3/54 18/10-21/54 18/70-3/54