Subtract 9/28 from 84/98, Solve 84/98

Subtract 9/28 from 84/98

84/98 - 9/28 is 15/28.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 98 × 2 = 196,
84/98 = 84 × 2/98 × 2 = 168/196
Likewise, for the 2nd fraction, since 28 × 7 = 196,
9/28 = 9 × 7/28 × 7 = 63/196
Subtract the two like fractions:
168/196 - 63/196 = 168 - 63/196 = 105/196
After reducing the fraction, the answer is 15/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad