Subtract 3/9 from 70/45
1st number: 1 25/45, 2nd number: 3/9
70/45 - 3/9 is 11/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
70/45 = 70 × 1/45 × 1 = 70/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45 - Subtract the two like fractions:
70/45 - 15/45 = 70 - 15/45 = 55/45 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-6/9 70/90-3/9 70/45-3/18 70/45-3/27 70/45-15/9 70/45-3/45 70/45-21/9 70/45-3/63