Subtract 2/70 from 7/9, Solve 7/9

Subtract 2/70 from 7/9

7/9 - 2/70 is 236/315.

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,
7/9 = 7 × 70/9 × 70 = 490/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
2/70 = 2 × 9/70 × 9 = 18/630
Subtract the two like fractions:
490/630 - 18/630 = 490 - 18/630 = 472/630
After reducing the fraction, the answer is 236/315

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