Answers

Add 50/20 and 18/84

1^st number: 2 10/20, 2^nd number: 18/84

50/20 + 18/84 is 19/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   50/20 = 50 × 21/20 × 21 = 1050/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   18/84 = 18 × 5/84 × 5 = 90/420
4. Add the two like fractions:
   1050/420 + 90/420 = 1050 + 90/420 = 1140/420
5. 1140/420 simplified gives 19/7
6. So, 50/20 + 18/84 = 19/7
   In mixed form: 25/7

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