Answers

Subtract 70/8 from 7/84

1^st number: 7/84, 2^nd number: 8 6/8

7/84 - 70/8 is -26/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   7/84 = 7 × 2/84 × 2 = 14/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   70/8 = 70 × 21/8 × 21 = 1470/168
4. Subtract the two like fractions:
   14/168 - 1470/168 = 14 - 1470/168 = -1456/168
5. After reducing the fraction, the answer is -26/3

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