Subtract 1/54 from 72/9
1st number: 8 0/9, 2nd number: 1/54
72/9 - 1/54 is 431/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
72/9 = 72 × 6/9 × 6 = 432/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
1/54 = 1 × 1/54 × 1 = 1/54 - Subtract the two like fractions:
432/54 - 1/54 = 432 - 1/54 = 431/54 - In mixed form: 753/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-2/54 72/18-1/54 72/9-3/54 72/27-1/54 72/9-5/54 72/45-1/54 72/9-7/54 72/63-1/54