Subtract 6/12 from 42/50
42/50 - 6/12 is 17/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
42/50 = 42 × 6/50 × 6 = 252/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
6/12 = 6 × 25/12 × 25 = 150/300 - Subtract the two like fractions:
252/300 - 150/300 = 252 - 150/300 = 102/300 - After reducing the fraction, the answer is 17/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50-6/12 42/50-6/24 42/50-18/12 42/50-6/36 42/50-30/12 42/50-6/60 42/50-42/12 42/50-6/84