Subtract 6/54 from 80/30
1st number: 2 20/30, 2nd number: 6/54
80/30 - 6/54 is 23/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
80/30 = 80 × 9/30 × 9 = 720/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
6/54 = 6 × 5/54 × 5 = 30/270 - Subtract the two like fractions:
720/270 - 30/270 = 720 - 30/270 = 690/270 - After reducing the fraction, the answer is 23/9
- In mixed form: 25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-12/54 80/60-6/54 80/30-18/54 80/90-6/54 80/30-30/54 80/30-42/54