Subtract 3/18 from 80/50
1st number: 1 30/50, 2nd number: 3/18
80/50 - 3/18 is 43/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450 - Subtract the two like fractions:
720/450 - 75/450 = 720 - 75/450 = 645/450 - After reducing the fraction, the answer is 43/30
- In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50-6/18 80/50-3/36 80/50-9/18 80/50-3/54 80/50-15/18 80/50-3/90 80/50-21/18