Subtract 27/84 from 15/2
1st number: 7 1/2, 2nd number: 27/84
15/2 - 27/84 is 201/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
15/2 = 15 × 42/2 × 42 = 630/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
27/84 = 27 × 1/84 × 1 = 27/84 - Subtract the two like fractions:
630/84 - 27/84 = 630 - 27/84 = 603/84 - After reducing the fraction, the answer is 201/28
- In mixed form: 75/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-27/84 15/2-54/84 15/4-27/84 45/2-27/84 15/2-81/84 15/6-27/84 75/2-27/84 15/10-27/84 15/14-27/84