Subtract 8/27 from 72/30, Solve 2 12/30

Subtract 8/27 from 72/30

1^st number: 2 12/30, 2^nd number: 8/27

72/30 - 8/27 is 284/135.

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,
72/30 = 72 × 9/30 × 9 = 648/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
8/27 = 8 × 10/27 × 10 = 80/270
Subtract the two like fractions:
648/270 - 80/270 = 648 - 80/270 = 568/270
After reducing the fraction, the answer is 284/135
In mixed form: 214/135

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