Subtract 20/7 from 3/75
1st number: 3/75, 2nd number: 2 6/7
3/75 - 20/7 is -493/175.
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,
20/7 = 20 × 75/7 × 75 = 1500/525 - Subtract the two like fractions:
21/525 - 1500/525 = 21 - 1500/525 = -1479/525 - After reducing the fraction, the answer is -493/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-20/7 3/75-40/7 3/75-20/14 9/75-20/7 3/75-60/7 3/75-20/21 15/75-20/7 3/75-20/35 21/75-20/7 3/75-20/49