Subtract 70/18 from 60/5
1st number: 12 0/5, 2nd number: 3 16/18
60/5 - 70/18 is 73/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
60/5 = 60 × 18/5 × 18 = 1080/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Subtract the two like fractions:
1080/90 - 350/90 = 1080 - 350/90 = 730/90 - After reducing the fraction, the answer is 73/9
- In mixed form: 81/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-70/18 60/5-70/36 60/15-70/18 60/5-70/54 60/25-70/18 60/5-70/90 60/35-70/18