Subtract 30/70 from 9/35
9/35 - 30/70 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,
9/35 = 9 × 2/35 × 2 = 18/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Subtract the two like fractions:
18/70 - 30/70 = 18 - 30/70 = -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: 18/35-30/70 9/35-60/70 9/70-30/70 27/35-30/70 9/35-90/70 45/35-30/70 63/35-30/70