Answers

Add 50/42 and 21/4

1^st number: 1 8/42, 2^nd number: 5 1/4

50/42 + 21/4 is 541/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   50/42 = 50 × 2/42 × 2 = 100/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   21/4 = 21 × 21/4 × 21 = 441/84
4. Add the two like fractions:
   100/84 + 441/84 = 100 + 441/84 = 541/84
5. So, 50/42 + 21/4 = 541/84
   In mixed form: 637/84

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