Answers

Subtract 10/9 from 18/7

1^st number: 2 4/7, 2^nd number: 1 1/9

18/7 - 10/9 is 92/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   18/7 = 18 × 9/7 × 9 = 162/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   10/9 = 10 × 7/9 × 7 = 70/63
4. Subtract the two like fractions:
   162/63 - 70/63 = 162 - 70/63 = 92/63
5. In mixed form: 129/63

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