Subtract 40/27 from 42/3
1st number: 14 0/3, 2nd number: 1 13/27
42/3 - 40/27 is 338/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
42/3 = 42 × 9/3 × 9 = 378/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
40/27 = 40 × 1/27 × 1 = 40/27 - Subtract the two like fractions:
378/27 - 40/27 = 378 - 40/27 = 338/27 - In mixed form: 1214/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3-40/27 42/3-80/27 42/6-40/27 42/3-40/54 42/9-40/27 42/3-40/81 42/15-40/27 42/21-40/27