Subtract 8/80 from 28/6
1st number: 4 4/6, 2nd number: 8/80
28/6 - 8/80 is 137/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
28/6 = 28 × 40/6 × 40 = 1120/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
8/80 = 8 × 3/80 × 3 = 24/240 - Subtract the two like fractions:
1120/240 - 24/240 = 1120 - 24/240 = 1096/240 - After reducing the fraction, the answer is 137/30
- In mixed form: 417/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6-8/80 28/6-16/80 28/12-8/80 84/6-8/80 28/6-24/80 28/18-8/80 28/6-40/80 28/30-8/80 28/6-56/80 28/42-8/80