Subtract 40/25 from 70/9
1st number: 7 7/9, 2nd number: 1 15/25
70/9 - 40/25 is 278/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
70/9 = 70 × 25/9 × 25 = 1750/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
40/25 = 40 × 9/25 × 9 = 360/225 - Subtract the two like fractions:
1750/225 - 360/225 = 1750 - 360/225 = 1390/225 - After reducing the fraction, the answer is 278/45
- In mixed form: 68/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-80/25 70/18-40/25 70/9-40/50 70/27-40/25 70/9-40/75 70/45-40/25 70/63-40/25