Answers

Add 42/84 and 3/72

42/84 + 3/72 is 13/24.

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,
   42/84 = 42 × 6/84 × 6 = 252/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   3/72 = 3 × 7/72 × 7 = 21/504
4. Add the two like fractions:
   252/504 + 21/504 = 252 + 21/504 = 273/504
5. 273/504 simplified gives 13/24
6. So, 42/84 + 3/72 = 13/24

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