Answers

Add 42/24 and 21/56

1^st number: 1 18/24, 2^nd number: 21/56

42/24 + 21/56 is 17/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   42/24 = 42 × 7/24 × 7 = 294/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   21/56 = 21 × 3/56 × 3 = 63/168
4. Add the two like fractions:
   294/168 + 63/168 = 294 + 63/168 = 357/168
5. 357/168 simplified gives 17/8
6. So, 42/24 + 21/56 = 17/8
   In mixed form: 21/8

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