Answers

Subtract 42/24 from 63/84

1^st number: 63/84, 2^nd number: 1 18/24

63/84 - 42/24 is -1/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   63/84 = 63 × 2/84 × 2 = 126/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   42/24 = 42 × 7/24 × 7 = 294/168
4. Subtract the two like fractions:
   126/168 - 294/168 = 126 - 294/168 = -168/168
5. After reducing the fraction, the answer is -1/1

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