Subtract 6/45 from 20/3
1st number: 6 2/3, 2nd number: 6/45
20/3 - 6/45 is 98/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
20/3 = 20 × 15/3 × 15 = 300/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
6/45 = 6 × 1/45 × 1 = 6/45 - Subtract the two like fractions:
300/45 - 6/45 = 300 - 6/45 = 294/45 - After reducing the fraction, the answer is 98/15
- In mixed form: 68/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3-6/45 20/3-12/45 20/6-6/45 20/3-6/90 60/3-6/45 20/3-18/45 20/9-6/45 20/3-30/45 20/15-6/45 20/3-42/45 20/21-6/45