Subtract 42/9 from 50/14
1st number: 3 8/14, 2nd number: 4 6/9
50/14 - 42/9 is -23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
50/14 = 50 × 9/14 × 9 = 450/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
42/9 = 42 × 14/9 × 14 = 588/126 - Subtract the two like fractions:
450/126 - 588/126 = 450 - 588/126 = -138/126 - After reducing the fraction, the answer is -23/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14-84/9 50/28-42/9 50/14-42/18 50/42-42/9 50/14-42/27 50/70-42/9 50/14-42/45 50/98-42/9 50/14-42/63