Subtract 42/40 from 50/4
1st number: 12 2/4, 2nd number: 1 2/40
50/4 - 42/40 is 229/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
50/4 = 50 × 10/4 × 10 = 500/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Subtract the two like fractions:
500/40 - 42/40 = 500 - 42/40 = 458/40 - After reducing the fraction, the answer is 229/20
- In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-84/40 50/8-42/40 50/4-42/80 50/12-42/40 50/20-42/40 50/28-42/40