Subtract 9/72 from 8/10, Solve 8/10

Subtract 9/72 from 8/10

8/10 - 9/72 is 27/40.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 10 × 36 = 360,
8/10 = 8 × 36/10 × 36 = 288/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360
Subtract the two like fractions:
288/360 - 45/360 = 288 - 45/360 = 243/360
After reducing the fraction, the answer is 27/40

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