Subtract 12/35 from 84/9, Solve 9 3/9

Subtract 12/35 from 84/9

1^st number: 9 3/9, 2^nd number: 12/35

84/9 - 12/35 is 944/105.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 9 × 35 = 315,
84/9 = 84 × 35/9 × 35 = 2940/315
Likewise, for the 2nd fraction, since 35 × 9 = 315,
12/35 = 12 × 9/35 × 9 = 108/315
Subtract the two like fractions:
2940/315 - 108/315 = 2940 - 108/315 = 2832/315
After reducing the fraction, the answer is 944/105
In mixed form: 8104/105

MathStep (Works offline)

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