Subtract 28/80 from 4/3
1st number: 1 1/3, 2nd number: 28/80
4/3 - 28/80 is 59/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
4/3 = 4 × 80/3 × 80 = 320/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Subtract the two like fractions:
320/240 - 84/240 = 320 - 84/240 = 236/240 - After reducing the fraction, the answer is 59/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3-28/80 4/3-56/80 4/6-28/80 12/3-28/80 4/3-84/80 4/9-28/80 20/3-28/80 4/15-28/80 28/3-28/80 4/21-28/80