Subtract 80/6 from 42/27
1st number: 1 15/27, 2nd number: 13 2/6
42/27 - 80/6 is -106/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
80/6 = 80 × 9/6 × 9 = 720/54 - Subtract the two like fractions:
84/54 - 720/54 = 84 - 720/54 = -636/54 - After reducing the fraction, the answer is -106/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27-80/6 42/54-80/6 42/27-80/12 42/81-80/6 42/27-80/18 42/27-80/30 42/27-80/42