Subtract 16/18 from 18/75
18/75 - 16/18 is -146/225.
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,
18/75 = 18 × 6/75 × 6 = 108/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
16/18 = 16 × 25/18 × 25 = 400/450 - Subtract the two like fractions:
108/450 - 400/450 = 108 - 400/450 = -292/450 - After reducing the fraction, the answer is -146/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75-16/18 18/75-32/18 18/75-16/36 54/75-16/18 18/75-48/18 18/75-16/54 90/75-16/18 18/75-80/18 18/75-16/90