Subtract 10/50 from 70/18
1st number: 3 16/18, 2nd number: 10/50
70/18 - 10/50 is 166/45.
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,
10/50 = 10 × 9/50 × 9 = 90/450 - Subtract the two like fractions:
1750/450 - 90/450 = 1750 - 90/450 = 1660/450 - After reducing the fraction, the answer is 166/45
- In mixed form: 331/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-20/50 70/36-10/50 70/18-30/50 70/54-10/50 70/90-10/50 70/18-70/50