Subtract 27/3 from 75/70
1st number: 1 5/70, 2nd number: 9 0/3
75/70 - 27/3 is -111/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
27/3 = 27 × 70/3 × 70 = 1890/210 - Subtract the two like fractions:
225/210 - 1890/210 = 225 - 1890/210 = -1665/210 - After reducing the fraction, the answer is -111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70-54/3 75/70-27/6 75/70-81/3 75/70-27/9 75/70-27/15 75/70-27/21