Subtract 7/72 from 25/16
1st number: 1 9/16, 2nd number: 7/72
25/16 - 7/72 is 211/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
25/16 = 25 × 9/16 × 9 = 225/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
7/72 = 7 × 2/72 × 2 = 14/144 - Subtract the two like fractions:
225/144 - 14/144 = 225 - 14/144 = 211/144 - In mixed form: 167/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/16-7/72 25/16-14/72 25/32-7/72 75/16-7/72 25/16-21/72 25/48-7/72 25/16-35/72 25/80-7/72 25/16-49/72