Subtract 15/35 from 50/42
1st number: 1 8/42, 2nd number: 15/35
50/42 - 15/35 is 16/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
50/42 = 50 × 5/42 × 5 = 250/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
15/35 = 15 × 6/35 × 6 = 90/210 - Subtract the two like fractions:
250/210 - 90/210 = 250 - 90/210 = 160/210 - After reducing the fraction, the answer is 16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-30/35 50/84-15/35 50/42-15/70 50/42-45/35 50/42-75/35