Subtract 20/18 from 8/75
1st number: 8/75, 2nd number: 1 2/18
8/75 - 20/18 is -226/225.
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,
8/75 = 8 × 6/75 × 6 = 48/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450 - Subtract the two like fractions:
48/450 - 500/450 = 48 - 500/450 = -452/450 - After reducing the fraction, the answer is -226/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/75-20/18 8/75-40/18 8/75-20/36 24/75-20/18 8/75-60/18 8/75-20/54 40/75-20/18 8/75-20/90 56/75-20/18