Subtract 6/80 from 15/4
1st number: 3 3/4, 2nd number: 6/80
15/4 - 6/80 is 147/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
15/4 = 15 × 20/4 × 20 = 300/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
6/80 = 6 × 1/80 × 1 = 6/80 - Subtract the two like fractions:
300/80 - 6/80 = 300 - 6/80 = 294/80 - After reducing the fraction, the answer is 147/40
- In mixed form: 327/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-6/80 15/4-12/80 15/8-6/80 45/4-6/80 15/4-18/80 15/12-6/80 75/4-6/80 15/4-30/80 15/20-6/80 15/4-42/80 15/28-6/80