Subtract 27/9 from 8/4
1st number: 2 0/4, 2nd number: 3 0/9
8/4 - 27/9 is -1/1.
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,
8/4 = 8 × 9/4 × 9 = 72/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
27/9 = 27 × 4/9 × 4 = 108/36 - Subtract the two like fractions:
72/36 - 108/36 = 72 - 108/36 = -36/36 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4-27/9 8/4-54/9 8/4-27/18 24/4-27/9 8/4-81/9 8/12-27/9 40/4-27/9 8/20-27/9 8/4-27/45 56/4-27/9 8/28-27/9 8/4-27/63