Subtract 28/80 from 27/2
1st number: 13 1/2, 2nd number: 28/80
27/2 - 28/80 is 263/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
27/2 = 27 × 40/2 × 40 = 1080/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Subtract the two like fractions:
1080/80 - 28/80 = 1080 - 28/80 = 1052/80 - After reducing the fraction, the answer is 263/20
- In mixed form: 133/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2-28/80 27/2-56/80 27/4-28/80 81/2-28/80 27/2-84/80 27/6-28/80 27/10-28/80 27/14-28/80