Answers

Subtract 9/84 from 63/8

1^st number: 7 7/8, 2^nd number: 9/84

63/8 - 9/84 is 435/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 84 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 8 × 21 = 168,
   63/8 = 63 × 21/8 × 21 = 1323/168
3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
   9/84 = 9 × 2/84 × 2 = 18/168
4. Subtract the two like fractions:
   1323/168 - 18/168 = 1323 - 18/168 = 1305/168
5. After reducing the fraction, the answer is 435/56
6. In mixed form: 743/56

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