Subtract 72/54 from 28/8
1st number: 3 4/8, 2nd number: 1 18/54
28/8 - 72/54 is 13/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
28/8 = 28 × 27/8 × 27 = 756/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
72/54 = 72 × 4/54 × 4 = 288/216 - Subtract the two like fractions:
756/216 - 288/216 = 756 - 288/216 = 468/216 - After reducing the fraction, the answer is 13/6
- In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-72/54 28/16-72/54 84/8-72/54 28/24-72/54 28/40-72/54 28/56-72/54