Subtract 16/90 from 3/9
3/9 - 16/90 is 7/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
3/9 = 3 × 10/9 × 10 = 30/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
16/90 = 16 × 1/90 × 1 = 16/90 - Subtract the two like fractions:
30/90 - 16/90 = 30 - 16/90 = 14/90 - After reducing the fraction, the answer is 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9-16/90 3/9-32/90 3/18-16/90 3/9-48/90 3/27-16/90 15/9-16/90 3/9-80/90 3/45-16/90 21/9-16/90 3/63-16/90