Subtract 18/35 from 6/70
6/70 - 18/35 is -3/7.
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,
6/70 = 6 × 1/70 × 1 = 6/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
18/35 = 18 × 2/35 × 2 = 36/70 - Subtract the two like fractions:
6/70 - 36/70 = 6 - 36/70 = -30/70 - After reducing the fraction, the answer is -3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-18/35 6/70-36/35 6/70-18/70 18/70-18/35 6/70-54/35 30/70-18/35 6/70-90/35 42/70-18/35