Subtract 18/15 from 12/6
1st number: 2 0/6, 2nd number: 1 3/15
12/6 - 18/15 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
12/6 = 12 × 5/6 × 5 = 60/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
18/15 = 18 × 2/15 × 2 = 36/30 - Subtract the two like fractions:
60/30 - 36/30 = 60 - 36/30 = 24/30 - After reducing the fraction, the answer is 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6-18/15 12/6-36/15 12/6-18/30 36/6-18/15 12/6-54/15 12/18-18/15 12/6-18/45 60/6-18/15 12/6-90/15 12/30-18/15 12/6-18/75 84/6-18/15 12/42-18/15