Answers

Add 7/84 and 54/72

7/84 + 54/72 is 5/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   7/84 = 7 × 6/84 × 6 = 42/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   54/72 = 54 × 7/72 × 7 = 378/504
4. Add the two like fractions:
   42/504 + 378/504 = 42 + 378/504 = 420/504
5. 420/504 simplified gives 5/6
6. So, 7/84 + 54/72 = 5/6

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