Subtract 25/28 from 6/30
6/30 - 25/28 is -97/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
6/30 = 6 × 14/30 × 14 = 84/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
25/28 = 25 × 15/28 × 15 = 375/420 - Subtract the two like fractions:
84/420 - 375/420 = 84 - 375/420 = -291/420 - After reducing the fraction, the answer is -97/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-25/28 6/30-50/28 6/60-25/28 6/30-25/56 18/30-25/28 6/30-75/28 6/90-25/28 6/30-25/84 42/30-25/28