Subtract 6/90 from 1/75
1/75 - 6/90 is -4/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
1/75 = 1 × 6/75 × 6 = 6/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
6/90 = 6 × 5/90 × 5 = 30/450 - Subtract the two like fractions:
6/450 - 30/450 = 6 - 30/450 = -24/450 - After reducing the fraction, the answer is -4/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/75-6/90 1/75-12/90 3/75-6/90 1/75-18/90 5/75-6/90 1/75-30/90 7/75-6/90 1/75-42/90