Subtract 9/90 from 9/35
9/35 - 9/90 is 11/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
9/35 = 9 × 18/35 × 18 = 162/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Subtract the two like fractions:
162/630 - 63/630 = 162 - 63/630 = 99/630 - After reducing the fraction, the answer is 11/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/35-9/90 9/35-18/90 9/70-9/90 27/35-9/90 9/35-27/90 45/35-9/90 9/35-45/90 63/35-9/90 9/35-63/90