Subtract 3/54 from 20/10
1st number: 2 0/10, 2nd number: 3/54
20/10 - 3/54 is 35/18.
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,
20/10 = 20 × 27/10 × 27 = 540/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Subtract the two like fractions:
540/270 - 15/270 = 540 - 15/270 = 525/270 - After reducing the fraction, the answer is 35/18
- In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-3/54 20/10-6/54 60/10-3/54 20/10-9/54 20/30-3/54 20/10-15/54 20/50-3/54 20/10-21/54 20/70-3/54