Subtract 28/80 from 14/2
1st number: 7 0/2, 2nd number: 28/80
14/2 - 28/80 is 133/20.
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,
14/2 = 14 × 40/2 × 40 = 560/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Subtract the two like fractions:
560/80 - 28/80 = 560 - 28/80 = 532/80 - After reducing the fraction, the answer is 133/20
- In mixed form: 613/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/2-28/80 14/2-56/80 14/4-28/80 42/2-28/80 14/2-84/80 14/6-28/80 70/2-28/80 14/10-28/80 98/2-28/80