Subtract 30/24 from 80/28
1st number: 2 24/28, 2nd number: 1 6/24
80/28 - 30/24 is 45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
80/28 = 80 × 6/28 × 6 = 480/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Subtract the two like fractions:
480/168 - 210/168 = 480 - 210/168 = 270/168 - After reducing the fraction, the answer is 45/28
- In mixed form: 117/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-60/24 80/56-30/24 80/28-30/48 80/28-90/24 80/84-30/24 80/28-30/72