Subtract 30/27 from 8/30, Solve 8/30

Subtract 30/27 from 8/30

1^st number: 8/30, 2^nd number: 1 3/27

8/30 - 30/27 is -38/45.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 30 × 9 = 270,
8/30 = 8 × 9/30 × 9 = 72/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270
Subtract the two like fractions:
72/270 - 300/270 = 72 - 300/270 = -228/270
After reducing the fraction, the answer is -38/45

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