Subtract 18/70 from 15/35
15/35 - 18/70 is 6/35.
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,
15/35 = 15 × 2/35 × 2 = 30/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Subtract the two like fractions:
30/70 - 18/70 = 30 - 18/70 = 12/70 - After reducing the fraction, the answer is 6/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35-18/70 15/35-36/70 15/70-18/70 45/35-18/70 15/35-54/70 75/35-18/70 15/35-90/70