Subtract 1/9 from 18/70
18/70 - 1/9 is 46/315.
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,
18/70 = 18 × 9/70 × 9 = 162/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
1/9 = 1 × 70/9 × 70 = 70/630 - Subtract the two like fractions:
162/630 - 70/630 = 162 - 70/630 = 92/630 - After reducing the fraction, the answer is 46/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70-1/9 18/70-2/9 18/70-1/18 54/70-1/9 18/70-3/9 18/70-1/27 90/70-1/9 18/70-5/9 18/70-1/45 18/70-7/9 18/70-1/63