Subtract 84/12 from 8/70
1st number: 8/70, 2nd number: 7 0/12
8/70 - 84/12 is -241/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
8/70 = 8 × 6/70 × 6 = 48/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
84/12 = 84 × 35/12 × 35 = 2940/420 - Subtract the two like fractions:
48/420 - 2940/420 = 48 - 2940/420 = -2892/420 - After reducing the fraction, the answer is -241/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-84/12 8/70-84/24 24/70-84/12 8/70-84/36 40/70-84/12 8/70-84/60 56/70-84/12