Subtract 28/27 from 12/4
1st number: 3 0/4, 2nd number: 1 1/27
12/4 - 28/27 is 53/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
12/4 = 12 × 27/4 × 27 = 324/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
28/27 = 28 × 4/27 × 4 = 112/108 - Subtract the two like fractions:
324/108 - 112/108 = 324 - 112/108 = 212/108 - After reducing the fraction, the answer is 53/27
- In mixed form: 126/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4-28/27 12/4-56/27 12/8-28/27 12/4-28/54 36/4-28/27 12/4-84/27 12/4-28/81 60/4-28/27 12/20-28/27 84/4-28/27 12/28-28/27