Subtract 25/72 from 28/8
1st number: 3 4/8, 2nd number: 25/72
28/8 - 25/72 is 227/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
28/8 = 28 × 9/8 × 9 = 252/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
25/72 = 25 × 1/72 × 1 = 25/72 - Subtract the two like fractions:
252/72 - 25/72 = 252 - 25/72 = 227/72 - In mixed form: 311/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-25/72 28/8-50/72 28/16-25/72 84/8-25/72 28/8-75/72 28/24-25/72 28/40-25/72 28/56-25/72