Subtract 20/42 from 24/10
1st number: 2 4/10, 2nd number: 20/42
24/10 - 20/42 is 202/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
24/10 = 24 × 21/10 × 21 = 504/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
20/42 = 20 × 5/42 × 5 = 100/210 - Subtract the two like fractions:
504/210 - 100/210 = 504 - 100/210 = 404/210 - After reducing the fraction, the answer is 202/105
- In mixed form: 197/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/10-20/42 24/10-40/42 24/20-20/42 24/10-20/84 72/10-20/42 24/10-60/42 24/30-20/42 24/50-20/42 24/70-20/42