Subtract 9/72 from 25/7
1st number: 3 4/7, 2nd number: 9/72
25/7 - 9/72 is 193/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
25/7 = 25 × 72/7 × 72 = 1800/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504 - Subtract the two like fractions:
1800/504 - 63/504 = 1800 - 63/504 = 1737/504 - After reducing the fraction, the answer is 193/56
- In mixed form: 325/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-9/72 25/7-18/72 25/14-9/72 75/7-9/72 25/7-27/72 25/21-9/72 25/7-45/72 25/35-9/72 25/7-63/72 25/49-9/72