Answers

Subtract 70/54 from 30/45

1^st number: 30/45, 2^nd number: 1 16/54

30/45 - 70/54 is -17/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 45 × 6 = 270,
   30/45 = 30 × 6/45 × 6 = 180/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   70/54 = 70 × 5/54 × 5 = 350/270
4. Subtract the two like fractions:
   180/270 - 350/270 = 180 - 350/270 = -170/270
5. After reducing the fraction, the answer is -17/27

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