Subtract 45/42 from 50/5
1st number: 10 0/5, 2nd number: 1 3/42
50/5 - 45/42 is 125/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
50/5 = 50 × 42/5 × 42 = 2100/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210 - Subtract the two like fractions:
2100/210 - 225/210 = 2100 - 225/210 = 1875/210 - After reducing the fraction, the answer is 125/14
- In mixed form: 813/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/5-90/42 50/10-45/42 50/5-45/84 50/15-45/42 50/25-45/42 50/35-45/42