Subtract 2/7 from 15/75
15/75 - 2/7 is -3/35.
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,
15/75 = 15 × 7/75 × 7 = 105/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
2/7 = 2 × 75/7 × 75 = 150/525 - Subtract the two like fractions:
105/525 - 150/525 = 105 - 150/525 = -45/525 - After reducing the fraction, the answer is -3/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75-2/7 15/75-4/7 15/75-2/14 45/75-2/7 15/75-6/7 15/75-2/21 15/75-10/7 15/75-2/35 15/75-14/7 15/75-2/49