Subtract 27/42 from 28/3
1st number: 9 1/3, 2nd number: 27/42
28/3 - 27/42 is 365/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
28/3 = 28 × 14/3 × 14 = 392/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
27/42 = 27 × 1/42 × 1 = 27/42 - Subtract the two like fractions:
392/42 - 27/42 = 392 - 27/42 = 365/42 - In mixed form: 829/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-27/42 28/3-54/42 28/6-27/42 28/3-27/84 84/3-27/42 28/3-81/42 28/9-27/42 28/15-27/42 28/21-27/42