Subtract 10/5 from 12/70
1st number: 12/70, 2nd number: 2 0/5
12/70 - 10/5 is -64/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 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 5 × 14 = 70,
10/5 = 10 × 14/5 × 14 = 140/70 - Subtract the two like fractions:
12/70 - 140/70 = 12 - 140/70 = -128/70 - After reducing the fraction, the answer is -64/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70-10/5 12/70-20/5 36/70-10/5 12/70-30/5 12/70-10/15 60/70-10/5 12/70-50/5 12/70-10/25 84/70-10/5 12/70-70/5 12/70-10/35