Answers

Add 18/42 and 30/16

1^st number: 18/42, 2^nd number: 1 14/16

18/42 + 30/16 is 129/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 16 is 336
2. For the 1st fraction, since 42 × 8 = 336,
   18/42 = 18 × 8/42 × 8 = 144/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   30/16 = 30 × 21/16 × 21 = 630/336
4. Add the two fractions:
   144/336 + 630/336 = 144 + 630/336 = 774/336
5. 774/336 simplified gives 129/56
6. So, 18/42 + 30/16 = 129/56
   In mixed form: 217/56

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