Subtract 80/6 from 50/70
1st number: 50/70, 2nd number: 13 2/6
50/70 - 80/6 is -265/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
50/70 = 50 × 3/70 × 3 = 150/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
80/6 = 80 × 35/6 × 35 = 2800/210 - Subtract the two like fractions:
150/210 - 2800/210 = 150 - 2800/210 = -2650/210 - After reducing the fraction, the answer is -265/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-80/12 50/70-80/18 50/70-80/30 50/70-80/42