Answers

Subtract 70/9 from 84/90

1^st number: 84/90, 2^nd number: 7 7/9

84/90 - 70/9 is -308/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 9 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   84/90 = 84 × 1/90 × 1 = 84/90
3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
   70/9 = 70 × 10/9 × 10 = 700/90
4. Subtract the two like fractions:
   84/90 - 700/90 = 84 - 700/90 = -616/90
5. After reducing the fraction, the answer is -308/45

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