Subtract 70/75 from 7/9, Solve 7/9

Subtract 70/75 from 7/9

7/9 - 70/75 is -7/45.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 75 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 9 × 25 = 225,
7/9 = 7 × 25/9 × 25 = 175/225
Likewise, for the 2nd fraction, since 75 × 3 = 225,
70/75 = 70 × 3/75 × 3 = 210/225
Subtract the two like fractions:
175/225 - 210/225 = 175 - 210/225 = -35/225
After reducing the fraction, the answer is -7/45

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