Answers

Subtract 75/7 from 18/9

1^st number: 2 0/9, 2^nd number: 10 5/7

18/9 - 75/7 is -61/7.

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,
   18/9 = 18 × 7/9 × 7 = 126/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   75/7 = 75 × 9/7 × 9 = 675/63
4. Subtract the two like fractions:
   126/63 - 675/63 = 126 - 675/63 = -549/63
5. After reducing the fraction, the answer is -61/7

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