Subtract 7/9 from 6/70, Solve 6/70

Subtract 7/9 from 6/70

6/70 - 7/9 is -218/315.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
7/9 = 7 × 70/9 × 70 = 490/630
Subtract the two like fractions:
54/630 - 490/630 = 54 - 490/630 = -436/630
After reducing the fraction, the answer is -218/315

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