Subtract 15/9 from 27/4
1st number: 6 3/4, 2nd number: 1 6/9
27/4 - 15/9 is 61/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
27/4 = 27 × 9/4 × 9 = 243/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
15/9 = 15 × 4/9 × 4 = 60/36 - Subtract the two like fractions:
243/36 - 60/36 = 243 - 60/36 = 183/36 - After reducing the fraction, the answer is 61/12
- In mixed form: 51/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-15/9 27/4-30/9 27/8-15/9 27/4-15/18 81/4-15/9 27/4-45/9 27/12-15/9 27/4-15/27 27/4-75/9 27/20-15/9 27/4-15/45 27/28-15/9 27/4-15/63