Subtract 2/72 from 9/42, Solve 9/42

Subtract 2/72 from 9/42

9/42 - 2/72 is 47/252.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 42 × 12 = 504,
9/42 = 9 × 12/42 × 12 = 108/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
2/72 = 2 × 7/72 × 7 = 14/504
Subtract the two like fractions:
108/504 - 14/504 = 108 - 14/504 = 94/504
After reducing the fraction, the answer is 47/252

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