Subtract 9/10 from 10/75
10/75 - 9/10 is -23/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
10/75 = 10 × 2/75 × 2 = 20/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
9/10 = 9 × 15/10 × 15 = 135/150 - Subtract the two like fractions:
20/150 - 135/150 = 20 - 135/150 = -115/150 - After reducing the fraction, the answer is -23/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/75-9/10 10/75-18/10 10/75-9/20 30/75-9/10 10/75-27/10 10/75-9/30 50/75-9/10 10/75-45/10 10/75-9/50 70/75-9/10 10/75-63/10 10/75-9/70