Subtract 3/27 from 1/80, Solve 1/80

Subtract 3/27 from 1/80

1/80 - 3/27 is -71/720.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
1/80 = 1 × 27/80 × 27 = 27/2160
Likewise, for the 2nd fraction, since 27 × 80 = 2160,
3/27 = 3 × 80/27 × 80 = 240/2160
Subtract the two like fractions:
27/2160 - 240/2160 = 27 - 240/2160 = -213/2160
After reducing the fraction, the answer is -71/720

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