Answers

Subtract 10/9 from 9/70

1^st number: 9/70, 2^nd number: 1 1/9

9/70 - 10/9 is -619/630.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 9 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   9/70 = 9 × 9/70 × 9 = 81/630
3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
   10/9 = 10 × 70/9 × 70 = 700/630
4. Subtract the two like fractions:
   81/630 - 700/630 = 81 - 700/630 = -619/630

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