Answers

Subtract 1/54 from 72/30

1^st number: 2 12/30, 2^nd number: 1/54

72/30 - 1/54 is 643/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 30 × 9 = 270,
   72/30 = 72 × 9/30 × 9 = 648/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   1/54 = 1 × 5/54 × 5 = 5/270
4. Subtract the two like fractions:
   648/270 - 5/270 = 648 - 5/270 = 643/270
5. In mixed form: 2103/270

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