Subtract 12/8 from 25/27
1st number: 25/27, 2nd number: 1 4/8
25/27 - 12/8 is -31/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
25/27 = 25 × 8/27 × 8 = 200/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
12/8 = 12 × 27/8 × 27 = 324/216 - Subtract the two like fractions:
200/216 - 324/216 = 200 - 324/216 = -124/216 - After reducing the fraction, the answer is -31/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27-12/8 25/27-24/8 25/54-12/8 25/27-12/16 75/27-12/8 25/27-36/8 25/81-12/8 25/27-12/24 25/27-60/8 25/27-12/40 25/27-84/8 25/27-12/56