Subtract 3/72 from 3/7, Solve 3/7

Subtract 3/72 from 3/7

3/7 - 3/72 is 65/168.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 7 × 72 = 504,
3/7 = 3 × 72/7 × 72 = 216/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
3/72 = 3 × 7/72 × 7 = 21/504
Subtract the two like fractions:
216/504 - 21/504 = 216 - 21/504 = 195/504
After reducing the fraction, the answer is 65/168

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