Subtract 9/10 from 3/27, Solve 3/27

Subtract 9/10 from 3/27

3/27 - 9/10 is -71/90.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 27 × 10 = 270,
3/27 = 3 × 10/27 × 10 = 30/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
9/10 = 9 × 27/10 × 27 = 243/270
Subtract the two like fractions:
30/270 - 243/270 = 30 - 243/270 = -213/270
After reducing the fraction, the answer is -71/90

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