Answers

Add 21/84 and 50/10

1^st number: 21/84, 2^nd number: 5 0/10

21/84 + 50/10 is 21/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 10 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   21/84 = 21 × 5/84 × 5 = 105/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   50/10 = 50 × 42/10 × 42 = 2100/420
4. Add the two like fractions:
   105/420 + 2100/420 = 105 + 2100/420 = 2205/420
5. 2205/420 simplified gives 21/4
6. So, 21/84 + 50/10 = 21/4
   In mixed form: 51/4

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