Subtract 2/42 from 36/27
1st number: 1 9/27, 2nd number: 2/42
36/27 - 2/42 is 9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
36/27 = 36 × 14/27 × 14 = 504/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
2/42 = 2 × 9/42 × 9 = 18/378 - Subtract the two like fractions:
504/378 - 18/378 = 504 - 18/378 = 486/378 - After reducing the fraction, the answer is 9/7
- In mixed form: 12/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/27-2/42 36/27-4/42 36/54-2/42 36/27-2/84 36/27-6/42 36/81-2/42 36/27-10/42 36/27-14/42