Subtract 24/42 from 8/4
1st number: 2 0/4, 2nd number: 24/42
8/4 - 24/42 is 10/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
8/4 = 8 × 21/4 × 21 = 168/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
24/42 = 24 × 2/42 × 2 = 48/84 - Subtract the two like fractions:
168/84 - 48/84 = 168 - 48/84 = 120/84 - After reducing the fraction, the answer is 10/7
- In mixed form: 13/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4-24/42 8/4-48/42 8/4-24/84 24/4-24/42 8/4-72/42 8/12-24/42 40/4-24/42 8/20-24/42 56/4-24/42 8/28-24/42