Subtract 70/4 from 7/9
1st number: 7/9, 2nd number: 17 2/4
7/9 - 70/4 is -301/18.
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,
7/9 = 7 × 4/9 × 4 = 28/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Subtract the two like fractions:
28/36 - 630/36 = 28 - 630/36 = -602/36 - After reducing the fraction, the answer is -301/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9-70/4 7/18-70/4 7/9-70/8 21/9-70/4 7/27-70/4 7/9-70/12 35/9-70/4 7/45-70/4 7/9-70/20 49/9-70/4 7/63-70/4 7/9-70/28