Subtract 9/70 from 30/12, Solve 2 6/12

Subtract 9/70 from 30/12

1^st number: 2 6/12, 2^nd number: 9/70

30/12 - 9/70 is 83/35.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
30/12 = 30 × 35/12 × 35 = 1050/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
9/70 = 9 × 6/70 × 6 = 54/420
Subtract the two like fractions:
1050/420 - 54/420 = 1050 - 54/420 = 996/420
After reducing the fraction, the answer is 83/35
In mixed form: 213/35

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