Subtract 75/9 from 42/14
1st number: 3 0/14, 2nd number: 8 3/9
42/14 - 75/9 is -16/3.
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,
42/14 = 42 × 9/14 × 9 = 378/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
75/9 = 75 × 14/9 × 14 = 1050/126 - Subtract the two like fractions:
378/126 - 1050/126 = 378 - 1050/126 = -672/126 - After reducing the fraction, the answer is -16/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-75/9 42/28-75/9 42/14-75/18 42/14-75/27 42/70-75/9 42/14-75/45 42/98-75/9 42/14-75/63