Subtract 16/18 from 70/25
1st number: 2 20/25, 2nd number: 16/18
70/25 - 16/18 is 86/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
70/25 = 70 × 18/25 × 18 = 1260/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
16/18 = 16 × 25/18 × 25 = 400/450 - Subtract the two like fractions:
1260/450 - 400/450 = 1260 - 400/450 = 860/450 - After reducing the fraction, the answer is 86/45
- In mixed form: 141/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-32/18 70/50-16/18 70/25-16/36 70/25-48/18 70/75-16/18 70/25-16/54 70/25-80/18 70/25-16/90