Subtract 9/12 from 80/28
1st number: 2 24/28, 2nd number: 9/12
80/28 - 9/12 is 59/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
80/28 = 80 × 3/28 × 3 = 240/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
9/12 = 9 × 7/12 × 7 = 63/84 - Subtract the two like fractions:
240/84 - 63/84 = 240 - 63/84 = 177/84 - After reducing the fraction, the answer is 59/28
- In mixed form: 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-18/12 80/56-9/12 80/28-9/24 80/28-27/12 80/84-9/12 80/28-9/36 80/28-45/12 80/28-9/60 80/28-63/12 80/28-9/84