Subtract 7/35 from 12/70
12/70 - 7/35 is -1/35.
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,
12/70 = 12 × 1/70 × 1 = 12/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
7/35 = 7 × 2/35 × 2 = 14/70 - Subtract the two like fractions:
12/70 - 14/70 = 12 - 14/70 = -2/70 - After reducing the fraction, the answer is -1/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70-7/35 12/70-14/35 12/70-7/70 36/70-7/35 12/70-21/35 60/70-7/35 84/70-7/35 12/70-49/35