Answers

Add 28/84 and 20/48

28/84 + 20/48 is 3/4.

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,
   28/84 = 28 × 4/84 × 4 = 112/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   20/48 = 20 × 7/48 × 7 = 140/336
4. Add the two like fractions:
   112/336 + 140/336 = 112 + 140/336 = 252/336
5. 252/336 simplified gives 3/4
6. So, 28/84 + 20/48 = 3/4

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