Subtract 16/15 from 10/90
1st number: 10/90, 2nd number: 1 1/15
10/90 - 16/15 is -43/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
16/15 = 16 × 6/15 × 6 = 96/90 - Subtract the two like fractions:
10/90 - 96/90 = 10 - 96/90 = -86/90 - After reducing the fraction, the answer is -43/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-16/15 10/90-32/15 10/90-16/30 30/90-16/15 10/90-48/15 10/90-16/45 50/90-16/15 10/90-80/15 10/90-16/75 70/90-16/15