Subtract 20/15 from 9/2
1st number: 4 1/2, 2nd number: 1 5/15
9/2 - 20/15 is 19/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
9/2 = 9 × 15/2 × 15 = 135/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Subtract the two like fractions:
135/30 - 40/30 = 135 - 40/30 = 95/30 - After reducing the fraction, the answer is 19/6
- In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2-20/15 9/2-40/15 9/4-20/15 9/2-20/30 27/2-20/15 9/2-60/15 9/6-20/15 9/2-20/45 45/2-20/15 9/10-20/15 9/2-20/75 63/2-20/15 9/14-20/15