Subtract 42/50 from 27/12
1st number: 2 3/12, 2nd number: 42/50
27/12 - 42/50 is 141/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
27/12 = 27 × 25/12 × 25 = 675/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
42/50 = 42 × 6/50 × 6 = 252/300 - Subtract the two like fractions:
675/300 - 252/300 = 675 - 252/300 = 423/300 - After reducing the fraction, the answer is 141/100
- In mixed form: 141/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-42/50 27/12-84/50 27/24-42/50 81/12-42/50 27/36-42/50 27/60-42/50 27/84-42/50