Subtract 18/45 from 6/2
1st number: 3 0/2, 2nd number: 18/45
6/2 - 18/45 is 13/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 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 45 × 2 = 90,
18/45 = 18 × 2/45 × 2 = 36/90 - Subtract the two like fractions:
270/90 - 36/90 = 270 - 36/90 = 234/90 - After reducing the fraction, the answer is 13/5
- In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/2-18/45 6/2-36/45 6/4-18/45 6/2-18/90 18/2-18/45 6/2-54/45 30/2-18/45 6/2-90/45 6/10-18/45 42/2-18/45 6/14-18/45