Subtract 10/42 from 50/12
1st number: 4 2/12, 2nd number: 10/42
50/12 - 10/42 is 55/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
50/12 = 50 × 7/12 × 7 = 350/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
10/42 = 10 × 2/42 × 2 = 20/84 - Subtract the two like fractions:
350/84 - 20/84 = 350 - 20/84 = 330/84 - After reducing the fraction, the answer is 55/14
- In mixed form: 313/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-20/42 50/24-10/42 50/12-10/84 50/12-30/42 50/36-10/42 50/12-50/42 50/60-10/42 50/12-70/42 50/84-10/42