Subtract 72/7 from 3/75
1st number: 3/75, 2nd number: 10 2/7
3/75 - 72/7 is -1793/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
3/75 = 3 × 7/75 × 7 = 21/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
72/7 = 72 × 75/7 × 75 = 5400/525 - Subtract the two like fractions:
21/525 - 5400/525 = 21 - 5400/525 = -5379/525 - After reducing the fraction, the answer is -1793/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-72/7 3/75-72/14 9/75-72/7 3/75-72/21 15/75-72/7 3/75-72/35 21/75-72/7 3/75-72/49