Subtract 98/25 from 12/9, Solve 1 3/9

Subtract 98/25 from 12/9

1^st number: 1 3/9, 2^nd number: 3 23/25

12/9 - 98/25 is -194/75.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 9 × 25 = 225,
12/9 = 12 × 25/9 × 25 = 300/225
Likewise, for the 2nd fraction, since 25 × 9 = 225,
98/25 = 98 × 9/25 × 9 = 882/225
Subtract the two like fractions:
300/225 - 882/225 = 300 - 882/225 = -582/225
After reducing the fraction, the answer is -194/75

MathStep (Works offline)

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