Answers

Subtract 81/70 from 5/9

1^st number: 5/9, 2^nd number: 1 11/70

5/9 - 81/70 is -379/630.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 9 × 70 = 630,
   5/9 = 5 × 70/9 × 70 = 350/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   81/70 = 81 × 9/70 × 9 = 729/630
4. Subtract the two like fractions:
   350/630 - 729/630 = 350 - 729/630 = -379/630

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