Subtract 9/49 from 7/28
7/28 - 9/49 is 13/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
7/28 = 7 × 7/28 × 7 = 49/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
9/49 = 9 × 4/49 × 4 = 36/196 - Subtract the two like fractions:
49/196 - 36/196 = 49 - 36/196 = 13/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-9/49 7/28-18/49 7/56-9/49 7/28-9/98 21/28-9/49 7/28-27/49 7/84-9/49 35/28-9/49 7/28-45/49 49/28-9/49 7/28-63/49