Subtract 27/80 from 15/5
1st number: 3 0/5, 2nd number: 27/80
15/5 - 27/80 is 213/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
15/5 = 15 × 16/5 × 16 = 240/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
27/80 = 27 × 1/80 × 1 = 27/80 - Subtract the two like fractions:
240/80 - 27/80 = 240 - 27/80 = 213/80 - In mixed form: 253/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-27/80 15/5-54/80 15/10-27/80 45/5-27/80 15/5-81/80 75/5-27/80 15/25-27/80 15/35-27/80