Answers

Subtract 15/84 from 42/8

1^st number: 5 2/8, 2^nd number: 15/84

42/8 - 15/84 is 71/14.

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,
   42/8 = 42 × 21/8 × 21 = 882/168
3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
   15/84 = 15 × 2/84 × 2 = 30/168
4. Subtract the two like fractions:
   882/168 - 30/168 = 882 - 30/168 = 852/168
5. After reducing the fraction, the answer is 71/14
6. In mixed form: 51/14

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