Subtract 15/5 from 6/28
1st number: 6/28, 2nd number: 3 0/5
6/28 - 15/5 is -39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
6/28 = 6 × 5/28 × 5 = 30/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
15/5 = 15 × 28/5 × 28 = 420/140 - Subtract the two like fractions:
30/140 - 420/140 = 30 - 420/140 = -390/140 - After reducing the fraction, the answer is -39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28-15/5 6/28-30/5 6/56-15/5 6/28-15/10 18/28-15/5 6/28-45/5 6/84-15/5 30/28-15/5 6/28-75/5 6/28-15/25 42/28-15/5 6/28-15/35