Subtract 6/42 from 80/35
1st number: 2 10/35, 2nd number: 6/42
80/35 - 6/42 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
80/35 = 80 × 6/35 × 6 = 480/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210 - Subtract the two like fractions:
480/210 - 30/210 = 480 - 30/210 = 450/210 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35-12/42 80/70-6/42 80/35-6/84 80/35-18/42 80/35-30/42