Subtract 3/70 from 80/14
1st number: 5 10/14, 2nd number: 3/70
80/14 - 3/70 is 397/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
80/14 = 80 × 5/14 × 5 = 400/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
3/70 = 3 × 1/70 × 1 = 3/70 - Subtract the two like fractions:
400/70 - 3/70 = 400 - 3/70 = 397/70 - In mixed form: 547/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-6/70 80/28-3/70 80/14-9/70 80/42-3/70 80/14-15/70 80/70-3/70 80/14-21/70 80/98-3/70