Subtract 24/42 from 12/5
1st number: 2 2/5, 2nd number: 24/42
12/5 - 24/42 is 64/35.
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,
12/5 = 12 × 42/5 × 42 = 504/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
24/42 = 24 × 5/42 × 5 = 120/210 - Subtract the two like fractions:
504/210 - 120/210 = 504 - 120/210 = 384/210 - After reducing the fraction, the answer is 64/35
- In mixed form: 129/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5-24/42 12/5-48/42 12/10-24/42 12/5-24/84 36/5-24/42 12/5-72/42 12/15-24/42 60/5-24/42 12/25-24/42 84/5-24/42 12/35-24/42