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