Subtract 6/70 from 81/9, Solve 9 0/9

Subtract 6/70 from 81/9

1^st number: 9 0/9, 2^nd number: 6/70

81/9 - 6/70 is 312/35.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
81/9 = 81 × 70/9 × 70 = 5670/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630
Subtract the two like fractions:
5670/630 - 54/630 = 5670 - 54/630 = 5616/630
After reducing the fraction, the answer is 312/35
In mixed form: 832/35

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