Subtract 30/45 from 80/6
1st number: 13 2/6, 2nd number: 30/45
80/6 - 30/45 is 38/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
80/6 = 80 × 15/6 × 15 = 1200/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
30/45 = 30 × 2/45 × 2 = 60/90 - Subtract the two like fractions:
1200/90 - 60/90 = 1200 - 60/90 = 1140/90 - After reducing the fraction, the answer is 38/3
- In mixed form: 122/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-60/45 80/12-30/45 80/6-30/90 80/6-90/45 80/18-30/45 80/30-30/45 80/42-30/45