Subtract 10/4 from 10/98, Solve 10/98

Subtract 10/4 from 10/98

1^st number: 10/98, 2^nd number: 2 2/4

10/98 - 10/4 is -235/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 98 × 2 = 196,
10/98 = 10 × 2/98 × 2 = 20/196
Likewise, for the 2nd fraction, since 4 × 49 = 196,
10/4 = 10 × 49/4 × 49 = 490/196
Subtract the two like fractions:
20/196 - 490/196 = 20 - 490/196 = -470/196
After reducing the fraction, the answer is -235/98

MathStep (Works offline)

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