Subtract 9/27 from 20/35
20/35 - 9/27 is 5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
20/35 = 20 × 27/35 × 27 = 540/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
9/27 = 9 × 35/27 × 35 = 315/945 - Subtract the two like fractions:
540/945 - 315/945 = 540 - 315/945 = 225/945 - After reducing the fraction, the answer is 5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-9/27 20/35-18/27 20/70-9/27 20/35-9/54 60/35-9/27 20/35-9/81 20/35-45/27 20/35-63/27