Subtract 18/20 from 70/2
1st number: 35 0/2, 2nd number: 18/20
70/2 - 18/20 is 341/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
70/2 = 70 × 10/2 × 10 = 700/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
18/20 = 18 × 1/20 × 1 = 18/20 - Subtract the two like fractions:
700/20 - 18/20 = 700 - 18/20 = 682/20 - After reducing the fraction, the answer is 341/10
- In mixed form: 341/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-36/20 70/4-18/20 70/2-18/40 70/2-54/20 70/6-18/20 70/2-18/60 70/2-90/20 70/10-18/20 70/14-18/20