Subtract 40/9 from 6/70
1st number: 6/70, 2nd number: 4 4/9
6/70 - 40/9 is -1373/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
40/9 = 40 × 70/9 × 70 = 2800/630 - Subtract the two like fractions:
54/630 - 2800/630 = 54 - 2800/630 = -2746/630 - After reducing the fraction, the answer is -1373/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-40/9 6/70-80/9 6/70-40/18 18/70-40/9 6/70-40/27 30/70-40/9 6/70-40/45 42/70-40/9 6/70-40/63