Answers

Add 50/10 and 9/84

1^st number: 5 0/10, 2^nd number: 9/84

50/10 + 9/84 is 143/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 10 × 42 = 420,
   50/10 = 50 × 42/10 × 42 = 2100/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   9/84 = 9 × 5/84 × 5 = 45/420
4. Add the two like fractions:
   2100/420 + 45/420 = 2100 + 45/420 = 2145/420
5. 2145/420 simplified gives 143/28
6. So, 50/10 + 9/84 = 143/28
   In mixed form: 53/28

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