Subtract 10/18 from 5/75
5/75 - 10/18 is -22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
5/75 = 5 × 6/75 × 6 = 30/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
10/18 = 10 × 25/18 × 25 = 250/450 - Subtract the two like fractions:
30/450 - 250/450 = 30 - 250/450 = -220/450 - After reducing the fraction, the answer is -22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/75-10/18 5/75-20/18 5/75-10/36 15/75-10/18 5/75-30/18 5/75-10/54 25/75-10/18 5/75-50/18 5/75-10/90 35/75-10/18 5/75-70/18