Subtract 18/75 from 6/70
6/70 - 18/75 is -27/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
6/70 = 6 × 15/70 × 15 = 90/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
18/75 = 18 × 14/75 × 14 = 252/1050 - Subtract the two like fractions:
90/1050 - 252/1050 = 90 - 252/1050 = -162/1050 - After reducing the fraction, the answer is -27/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-18/75 6/70-36/75 18/70-18/75 6/70-54/75 30/70-18/75 6/70-90/75 42/70-18/75