Answers

Add 72/84 and 7/4

1^st number: 72/84, 2^nd number: 1 3/4

72/84 + 7/4 is 73/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   72/84 = 72 × 1/84 × 1 = 72/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   7/4 = 7 × 21/4 × 21 = 147/84
4. Add the two like fractions:
   72/84 + 147/84 = 72 + 147/84 = 219/84
5. 219/84 simplified gives 73/28
6. So, 72/84 + 7/4 = 73/28
   In mixed form: 217/28

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