Subtract 8/4 from 8/70
1st number: 8/70, 2nd number: 2 0/4
8/70 - 8/4 is -66/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
8/70 = 8 × 2/70 × 2 = 16/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
8/4 = 8 × 35/4 × 35 = 280/140 - Subtract the two like fractions:
16/140 - 280/140 = 16 - 280/140 = -264/140 - After reducing the fraction, the answer is -66/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-8/4 8/70-16/4 24/70-8/4 8/70-24/4 8/70-8/12 40/70-8/4 8/70-40/4 8/70-8/20 56/70-8/4 8/70-56/4 8/70-8/28