Answers

Subtract 70/27 from 90/18

1^st number: 5 0/18, 2^nd number: 2 16/27

90/18 - 70/27 is 65/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   90/18 = 90 × 3/18 × 3 = 270/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   70/27 = 70 × 2/27 × 2 = 140/54
4. Subtract the two like fractions:
   270/54 - 140/54 = 270 - 140/54 = 130/54
5. After reducing the fraction, the answer is 65/27
6. In mixed form: 211/27

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