Subtract 7/50 from 40/20
1st number: 2 0/20, 2nd number: 7/50
40/20 - 7/50 is 93/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
40/20 = 40 × 5/20 × 5 = 200/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
7/50 = 7 × 2/50 × 2 = 14/100 - Subtract the two like fractions:
200/100 - 14/100 = 200 - 14/100 = 186/100 - After reducing the fraction, the answer is 93/50
- In mixed form: 143/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-7/50 40/20-14/50 40/20-21/50 40/60-7/50 40/20-35/50 40/20-49/50