Subtract 2/30 from 6/28
6/28 - 2/30 is 31/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
6/28 = 6 × 15/28 × 15 = 90/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
2/30 = 2 × 14/30 × 14 = 28/420 - Subtract the two like fractions:
90/420 - 28/420 = 90 - 28/420 = 62/420 - After reducing the fraction, the answer is 31/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28-2/30 6/28-4/30 6/56-2/30 6/28-2/60 18/28-2/30 6/28-6/30 6/84-2/30 6/28-2/90 30/28-2/30 6/28-10/30 42/28-2/30 6/28-14/30