Subtract 10/8 from 12/70
1st number: 12/70, 2nd number: 1 2/8
12/70 - 10/8 is -151/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
10/8 = 10 × 35/8 × 35 = 350/280 - Subtract the two like fractions:
48/280 - 350/280 = 48 - 350/280 = -302/280 - After reducing the fraction, the answer is -151/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70-10/8 12/70-20/8 12/70-10/16 36/70-10/8 12/70-30/8 12/70-10/24 60/70-10/8 12/70-50/8 12/70-10/40 84/70-10/8 12/70-70/8 12/70-10/56