Subtract 18/27 from 9/10, Solve 9/10

Subtract 18/27 from 9/10

9/10 - 18/27 is 7/30.

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

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
9/10 = 9 × 27/10 × 27 = 243/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
18/27 = 18 × 10/27 × 10 = 180/270
Subtract the two like fractions:
243/270 - 180/270 = 243 - 180/270 = 63/270
After reducing the fraction, the answer is 7/30

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