Subtract 75/50 from 70/18
1st number: 3 16/18, 2nd number: 1 25/50
70/18 - 75/50 is 43/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
70/18 = 70 × 25/18 × 25 = 1750/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
75/50 = 75 × 9/50 × 9 = 675/450 - Subtract the two like fractions:
1750/450 - 675/450 = 1750 - 675/450 = 1075/450 - After reducing the fraction, the answer is 43/18
- In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36-75/50 70/54-75/50 70/90-75/50