Subtract 3/54 from 72/6
1st number: 12 0/6, 2nd number: 3/54
72/6 - 3/54 is 215/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
72/6 = 72 × 9/6 × 9 = 648/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
3/54 = 3 × 1/54 × 1 = 3/54 - Subtract the two like fractions:
648/54 - 3/54 = 648 - 3/54 = 645/54 - After reducing the fraction, the answer is 215/18
- In mixed form: 1117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-6/54 72/12-3/54 72/6-9/54 72/18-3/54 72/6-15/54 72/30-3/54 72/6-21/54 72/42-3/54