Subtract 50/9 from 12/90
1st number: 12/90, 2nd number: 5 5/9
12/90 - 50/9 is -244/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
50/9 = 50 × 10/9 × 10 = 500/90 - Subtract the two like fractions:
12/90 - 500/90 = 12 - 500/90 = -488/90 - After reducing the fraction, the answer is -244/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90-50/9 12/90-50/18 36/90-50/9 12/90-50/27 60/90-50/9 12/90-50/45 84/90-50/9 12/90-50/63