Subtract 9/49 from 70/90
70/90 - 9/49 is 262/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
70/90 = 70 × 49/90 × 49 = 3430/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
9/49 = 9 × 90/49 × 90 = 810/4410 - Subtract the two like fractions:
3430/4410 - 810/4410 = 3430 - 810/4410 = 2620/4410 - After reducing the fraction, the answer is 262/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90-18/49 70/90-9/98 70/90-27/49 70/90-45/49 70/90-63/49