Subtract 5/75 from 8/21, Solve 8/21

Subtract 5/75 from 8/21

8/21 - 5/75 is 11/35.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 21 × 25 = 525,
8/21 = 8 × 25/21 × 25 = 200/525
Likewise, for the 2nd fraction, since 75 × 7 = 525,
5/75 = 5 × 7/75 × 7 = 35/525
Subtract the two like fractions:
200/525 - 35/525 = 200 - 35/525 = 165/525
After reducing the fraction, the answer is 11/35

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