Subtract 9/63 from 7/28
7/28 - 9/63 is 3/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
9/63 = 9 × 4/63 × 4 = 36/252 - Subtract the two like fractions:
63/252 - 36/252 = 63 - 36/252 = 27/252 - After reducing the fraction, the answer is 3/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-9/63 7/28-18/63 7/56-9/63 21/28-9/63 7/28-27/63 7/84-9/63 35/28-9/63 7/28-45/63 49/28-9/63