Subtract 27/70 from 18/35
18/35 - 27/70 is 9/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
18/35 = 18 × 2/35 × 2 = 36/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
27/70 = 27 × 1/70 × 1 = 27/70 - Subtract the two like fractions:
36/70 - 27/70 = 36 - 27/70 = 9/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-27/70 18/35-54/70 18/70-27/70 54/35-27/70 18/35-81/70 90/35-27/70