Subtract 3/5 from 70/9
1st number: 7 7/9, 2nd number: 3/5
70/9 - 3/5 is 323/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
3/5 = 3 × 9/5 × 9 = 27/45 - Subtract the two like fractions:
350/45 - 27/45 = 350 - 27/45 = 323/45 - In mixed form: 78/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-6/5 70/18-3/5 70/9-3/10 70/9-9/5 70/27-3/5 70/9-3/15 70/9-15/5 70/45-3/5 70/9-3/25 70/9-21/5 70/63-3/5 70/9-3/35