Subtract 42/50 from 40/2
1st number: 20 0/2, 2nd number: 42/50
40/2 - 42/50 is 479/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
40/2 = 40 × 25/2 × 25 = 1000/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
42/50 = 42 × 1/50 × 1 = 42/50 - Subtract the two like fractions:
1000/50 - 42/50 = 1000 - 42/50 = 958/50 - After reducing the fraction, the answer is 479/25
- In mixed form: 194/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-42/50 40/2-84/50 40/4-42/50 40/6-42/50 40/10-42/50 40/14-42/50