Subtract 6/54 from 80/45
1st number: 1 35/45, 2nd number: 6/54
80/45 - 6/54 is 5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
80/45 = 80 × 6/45 × 6 = 480/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
6/54 = 6 × 5/54 × 5 = 30/270 - Subtract the two like fractions:
480/270 - 30/270 = 480 - 30/270 = 450/270 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45-12/54 80/90-6/54 80/45-18/54 80/45-30/54 80/45-42/54