Subtract 27/18 from 70/4
1st number: 17 2/4, 2nd number: 1 9/18
70/4 - 27/18 is 16/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
27/18 = 27 × 2/18 × 2 = 54/36 - Subtract the two like fractions:
630/36 - 54/36 = 630 - 54/36 = 576/36 - After reducing the fraction, the answer is 16/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-54/18 70/8-27/18 70/4-27/36 70/4-81/18 70/12-27/18 70/4-27/54 70/20-27/18 70/4-27/90 70/28-27/18