Subtract 80/35 from 30/9, Solve 3 3/9

Subtract 80/35 from 30/9

1^st number: 3 3/9, 2^nd number: 2 10/35

30/9 - 80/35 is 22/21.

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,
30/9 = 30 × 35/9 × 35 = 1050/315
Likewise, for the 2nd fraction, since 35 × 9 = 315,
80/35 = 80 × 9/35 × 9 = 720/315
Subtract the two like fractions:
1050/315 - 720/315 = 1050 - 720/315 = 330/315
After reducing the fraction, the answer is 22/21
In mixed form: 11/21

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