Subtract 70/50 from 18/3
1st number: 6 0/3, 2nd number: 1 20/50
18/3 - 70/50 is 23/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 3 × 50 = 150,
18/3 = 18 × 50/3 × 50 = 900/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
70/50 = 70 × 3/50 × 3 = 210/150 - Subtract the two like fractions:
900/150 - 210/150 = 900 - 210/150 = 690/150 - After reducing the fraction, the answer is 23/5
- In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-70/50 18/6-70/50 54/3-70/50 18/9-70/50 90/3-70/50 18/15-70/50 18/21-70/50