Answers

Add 50/20 and 45/84

1^st number: 2 10/20, 2^nd number: 45/84

50/20 + 45/84 is 85/28.

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,
   45/84 = 45 × 5/84 × 5 = 225/420
4. Add the two like fractions:
   1050/420 + 225/420 = 1050 + 225/420 = 1275/420
5. 1275/420 simplified gives 85/28
6. So, 50/20 + 45/84 = 85/28
   In mixed form: 31/28

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