Subtract 45/4 from 70/9
1st number: 7 7/9, 2nd number: 11 1/4
70/9 - 45/4 is -125/36.
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,
45/4 = 45 × 9/4 × 9 = 405/36 - Subtract the two like fractions:
280/36 - 405/36 = 280 - 405/36 = -125/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-90/4 70/18-45/4 70/9-45/8 70/27-45/4 70/9-45/12 70/45-45/4 70/9-45/20 70/63-45/4 70/9-45/28