Answers

Add 72/84 and 18/48

72/84 + 18/48 is 69/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 84 × 4 = 336,
   72/84 = 72 × 4/84 × 4 = 288/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   18/48 = 18 × 7/48 × 7 = 126/336
4. Add the two like fractions:
   288/336 + 126/336 = 288 + 126/336 = 414/336
5. 414/336 simplified gives 69/56
6. So, 72/84 + 18/48 = 69/56
   In mixed form: 113/56

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