Subtract 80/14 from 30/28
1st number: 1 2/28, 2nd number: 5 10/14
30/28 - 80/14 is -65/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
30/28 = 30 × 1/28 × 1 = 30/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
80/14 = 80 × 2/14 × 2 = 160/28 - Subtract the two like fractions:
30/28 - 160/28 = 30 - 160/28 = -130/28 - After reducing the fraction, the answer is -65/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28-80/14 30/56-80/14 30/28-80/28 90/28-80/14 30/84-80/14 30/28-80/42 30/28-80/70 30/28-80/98