Subtract 70/4 from 36/9
1st number: 4 0/9, 2nd number: 17 2/4
36/9 - 70/4 is -27/2.
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,
36/9 = 36 × 4/9 × 4 = 144/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Subtract the two like fractions:
144/36 - 630/36 = 144 - 630/36 = -486/36 - After reducing the fraction, the answer is -27/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-70/4 36/18-70/4 36/9-70/8 36/27-70/4 36/9-70/12 36/45-70/4 36/9-70/20 36/63-70/4 36/9-70/28