Subtract 42/27 from 25/9
1st number: 2 7/9, 2nd number: 1 15/27
25/9 - 42/27 is 11/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
25/9 = 25 × 3/9 × 3 = 75/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
42/27 = 42 × 1/27 × 1 = 42/27 - Subtract the two like fractions:
75/27 - 42/27 = 75 - 42/27 = 33/27 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/9-42/27 25/9-84/27 25/18-42/27 25/9-42/54 75/9-42/27 25/27-42/27 25/9-42/81 25/45-42/27 25/63-42/27