Subtract 42/30 from 80/6
1st number: 13 2/6, 2nd number: 1 12/30
80/6 - 42/30 is 179/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
80/6 = 80 × 5/6 × 5 = 400/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Subtract the two like fractions:
400/30 - 42/30 = 400 - 42/30 = 358/30 - After reducing the fraction, the answer is 179/15
- In mixed form: 1114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-84/30 80/12-42/30 80/6-42/60 80/18-42/30 80/6-42/90 80/30-42/30 80/42-42/30