Subtract 1/42 from 50/12
1st number: 4 2/12, 2nd number: 1/42
50/12 - 1/42 is 29/7.
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,
1/42 = 1 × 2/42 × 2 = 2/84 - Subtract the two like fractions:
350/84 - 2/84 = 350 - 2/84 = 348/84 - After reducing the fraction, the answer is 29/7
- In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-2/42 50/24-1/42 50/12-1/84 50/12-3/42 50/36-1/42 50/12-5/42 50/60-1/42 50/12-7/42 50/84-1/42