Subtract 27/25 from 27/42
1st number: 27/42, 2nd number: 1 2/25
27/42 - 27/25 is -153/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
27/42 = 27 × 25/42 × 25 = 675/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
27/25 = 27 × 42/25 × 42 = 1134/1050 - Subtract the two like fractions:
675/1050 - 1134/1050 = 675 - 1134/1050 = -459/1050 - After reducing the fraction, the answer is -153/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42-27/25 27/42-54/25 27/84-27/25 27/42-27/50 81/42-27/25 27/42-81/25 27/42-27/75