Subtract 18/4 from 70/9
1st number: 7 7/9, 2nd number: 4 2/4
70/9 - 18/4 is 59/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
70/9 = 70 × 4/9 × 4 = 280/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
18/4 = 18 × 9/4 × 9 = 162/36 - Subtract the two like fractions:
280/36 - 162/36 = 280 - 162/36 = 118/36 - After reducing the fraction, the answer is 59/18
- In mixed form: 35/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-36/4 70/18-18/4 70/9-18/8 70/9-54/4 70/27-18/4 70/9-18/12 70/9-90/4 70/45-18/4 70/9-18/20 70/63-18/4 70/9-18/28