Subtract 2/18 from 9/70
9/70 - 2/18 is 11/630.
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,
9/70 = 9 × 9/70 × 9 = 81/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
2/18 = 2 × 35/18 × 35 = 70/630 - Subtract the two like fractions:
81/630 - 70/630 = 81 - 70/630 = 11/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70-2/18 9/70-4/18 9/70-2/36 27/70-2/18 9/70-6/18 9/70-2/54 45/70-2/18 9/70-10/18 9/70-2/90 63/70-2/18 9/70-14/18