Subtract 12/28 from 15/2
1st number: 7 1/2, 2nd number: 12/28
15/2 - 12/28 is 99/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
15/2 = 15 × 14/2 × 14 = 210/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
12/28 = 12 × 1/28 × 1 = 12/28 - Subtract the two like fractions:
210/28 - 12/28 = 210 - 12/28 = 198/28 - After reducing the fraction, the answer is 99/14
- In mixed form: 71/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-12/28 15/2-24/28 15/4-12/28 15/2-12/56 45/2-12/28 15/2-36/28 15/6-12/28 15/2-12/84 75/2-12/28 15/2-60/28 15/10-12/28 15/2-84/28 15/14-12/28