Answers

Subtract 15/24 from 80/42

1^st number: 1 38/42, 2^nd number: 15/24

80/42 - 15/24 is 215/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   80/42 = 80 × 4/42 × 4 = 320/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   15/24 = 15 × 7/24 × 7 = 105/168
4. Subtract the two like fractions:
   320/168 - 105/168 = 320 - 105/168 = 215/168
5. In mixed form: 147/168

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