Subtract 8/5 from 50/70
1st number: 50/70, 2nd number: 1 3/5
50/70 - 8/5 is -31/35.
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,
50/70 = 50 × 1/70 × 1 = 50/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
8/5 = 8 × 14/5 × 14 = 112/70 - Subtract the two like fractions:
50/70 - 112/70 = 50 - 112/70 = -62/70 - After reducing the fraction, the answer is -31/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-16/5 50/70-8/10 50/70-24/5 50/70-8/15 50/70-40/5 50/70-8/25 50/70-56/5 50/70-8/35