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