Subtract 9/70 from 40/9
1st number: 4 4/9, 2nd number: 9/70
40/9 - 9/70 is 2719/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
40/9 = 40 × 70/9 × 70 = 2800/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Subtract the two like fractions:
2800/630 - 81/630 = 2800 - 81/630 = 2719/630 - In mixed form: 4199/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-9/70 40/9-18/70 40/18-9/70 40/9-27/70 40/27-9/70 40/9-45/70 40/45-9/70 40/9-63/70 40/63-9/70