Subtract 10/24 from 80/42
1st number: 1 38/42, 2nd number: 10/24
80/42 - 10/24 is 125/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
80/42 = 80 × 4/42 × 4 = 320/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
10/24 = 10 × 7/24 × 7 = 70/168 - Subtract the two like fractions:
320/168 - 70/168 = 320 - 70/168 = 250/168 - After reducing the fraction, the answer is 125/84
- In mixed form: 141/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42-20/24 80/84-10/24 80/42-10/48 80/42-30/24 80/42-10/72 80/42-50/24 80/42-70/24