Subtract 40/35 from 27/70
1st number: 27/70, 2nd number: 1 5/35
27/70 - 40/35 is -53/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
27/70 = 27 × 1/70 × 1 = 27/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
40/35 = 40 × 2/35 × 2 = 80/70 - Subtract the two like fractions:
27/70 - 80/70 = 27 - 80/70 = -53/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70-40/35 27/70-80/35 27/70-40/70 81/70-40/35