Subtract 4/18 from 6/70
6/70 - 4/18 is -43/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 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 18 × 35 = 630,
4/18 = 4 × 35/18 × 35 = 140/630 - Subtract the two like fractions:
54/630 - 140/630 = 54 - 140/630 = -86/630 - After reducing the fraction, the answer is -43/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-4/18 6/70-8/18 6/70-4/36 18/70-4/18 6/70-12/18 6/70-4/54 30/70-4/18 6/70-20/18 6/70-4/90 42/70-4/18 6/70-28/18