Subtract 80/90 from 6/2
1st number: 3 0/2, 2nd number: 80/90
6/2 - 80/90 is 19/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
6/2 = 6 × 45/2 × 45 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Subtract the two like fractions:
270/90 - 80/90 = 270 - 80/90 = 190/90 - After reducing the fraction, the answer is 19/9
- In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/2-80/90 6/4-80/90 18/2-80/90 30/2-80/90 6/10-80/90 42/2-80/90 6/14-80/90