Answers

Add 84/72 and 45/50

1^st number: 1 12/72, 2^nd number: 45/50

84/72 + 45/50 is 31/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 50 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 72 × 25 = 1800,
   84/72 = 84 × 25/72 × 25 = 2100/1800
3. Likewise, for the 2nd fraction, since 50 × 36 = 1800,
   45/50 = 45 × 36/50 × 36 = 1620/1800
4. Add the two like fractions:
   2100/1800 + 1620/1800 = 2100 + 1620/1800 = 3720/1800
5. 3720/1800 simplified gives 31/15
6. So, 84/72 + 45/50 = 31/15
   In mixed form: 21/15

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