Subtract 3/90 from 12/2
1st number: 6 0/2, 2nd number: 3/90
12/2 - 3/90 is 179/30.
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,
12/2 = 12 × 45/2 × 45 = 540/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Subtract the two like fractions:
540/90 - 3/90 = 540 - 3/90 = 537/90 - After reducing the fraction, the answer is 179/30
- In mixed form: 529/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2-3/90 12/2-6/90 12/4-3/90 36/2-3/90 12/2-9/90 12/6-3/90 60/2-3/90 12/2-15/90 12/10-3/90 84/2-3/90 12/2-21/90 12/14-3/90