Answers

Add 28/72 and 45/84

28/72 + 45/84 is 233/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 84 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   28/72 = 28 × 7/72 × 7 = 196/504
3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
   45/84 = 45 × 6/84 × 6 = 270/504
4. Add the two like fractions:
   196/504 + 270/504 = 196 + 270/504 = 466/504
5. 466/504 simplified gives 233/252
6. So, 28/72 + 45/84 = 233/252

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