Subtract 9/70 from 9/15
9/15 - 9/70 is 33/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
9/15 = 9 × 14/15 × 14 = 126/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
9/70 = 9 × 3/70 × 3 = 27/210 - Subtract the two like fractions:
126/210 - 27/210 = 126 - 27/210 = 99/210 - After reducing the fraction, the answer is 33/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15-9/70 9/15-18/70 9/30-9/70 27/15-9/70 9/15-27/70 9/45-9/70 45/15-9/70 9/15-45/70 9/75-9/70 63/15-9/70 9/15-63/70