Subtract 2/72 from 30/80, Solve 30/80

Subtract 2/72 from 30/80

30/80 - 2/72 is 25/72.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
30/80 = 30 × 9/80 × 9 = 270/720
Likewise, for the 2nd fraction, since 72 × 10 = 720,
2/72 = 2 × 10/72 × 10 = 20/720
Subtract the two like fractions:
270/720 - 20/720 = 270 - 20/720 = 250/720
After reducing the fraction, the answer is 25/72

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