Subtract 24/20 from 42/4
1st number: 10 2/4, 2nd number: 1 4/20
42/4 - 24/20 is 93/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
24/20 = 24 × 1/20 × 1 = 24/20 - Subtract the two like fractions:
210/20 - 24/20 = 210 - 24/20 = 186/20 - After reducing the fraction, the answer is 93/10
- In mixed form: 93/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-24/20 42/4-48/20 42/8-24/20 42/4-24/40 42/4-72/20 42/12-24/20 42/4-24/60 42/20-24/20 42/28-24/20