Answers

Subtract 20/7 from 27/9

1^st number: 3 0/9, 2^nd number: 2 6/7

27/9 - 20/7 is 1/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 9 × 7 = 63,
   27/9 = 27 × 7/9 × 7 = 189/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   20/7 = 20 × 9/7 × 9 = 180/63
4. Subtract the two like fractions:
   189/63 - 180/63 = 189 - 180/63 = 9/63
5. After reducing the fraction, the answer is 1/7

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