Subtract 24/42 from 15/3
1st number: 5 0/3, 2nd number: 24/42
15/3 - 24/42 is 31/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
15/3 = 15 × 14/3 × 14 = 210/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
24/42 = 24 × 1/42 × 1 = 24/42 - Subtract the two like fractions:
210/42 - 24/42 = 210 - 24/42 = 186/42 - After reducing the fraction, the answer is 31/7
- In mixed form: 43/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3-24/42 15/3-48/42 15/6-24/42 15/3-24/84 45/3-24/42 15/3-72/42 15/9-24/42 75/3-24/42 15/21-24/42