Subtract 3/42 from 50/15
1st number: 3 5/15, 2nd number: 3/42
50/15 - 3/42 is 137/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
50/15 = 50 × 14/15 × 14 = 700/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Subtract the two like fractions:
700/210 - 15/210 = 700 - 15/210 = 685/210 - After reducing the fraction, the answer is 137/42
- In mixed form: 311/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-6/42 50/30-3/42 50/15-3/84 50/15-9/42 50/45-3/42 50/15-15/42 50/75-3/42 50/15-21/42