Subtract 90/3 from 12/6
1st number: 2 0/6, 2nd number: 30 0/3
12/6 - 90/3 is -28/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 3 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 6 × 1 = 6,
12/6 = 12 × 1/6 × 1 = 12/6 - Likewise, for the 2nd fraction, since 3 × 2 = 6,
90/3 = 90 × 2/3 × 2 = 180/6 - Subtract the two like fractions:
12/6 - 180/6 = 12 - 180/6 = -168/6 - After reducing the fraction, the answer is -28/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6-90/3 12/6-90/6 36/6-90/3 12/18-90/3 12/6-90/9 60/6-90/3 12/30-90/3 12/6-90/15 84/6-90/3 12/42-90/3 12/6-90/21