Subtract 3/98 from 4/36, Solve 4/36

Subtract 3/98 from 4/36

4/36 - 3/98 is 71/882.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 98 is 1764

Next, find the equivalent fraction of both fractional numbers with denominator 1764
For the 1st fraction, since 36 × 49 = 1764,
4/36 = 4 × 49/36 × 49 = 196/1764
Likewise, for the 2nd fraction, since 98 × 18 = 1764,
3/98 = 3 × 18/98 × 18 = 54/1764
Subtract the two like fractions:
196/1764 - 54/1764 = 196 - 54/1764 = 142/1764
After reducing the fraction, the answer is 71/882

MathStep (Works offline)

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