Answers

Add 45/72 and 6/42

45/72 + 6/42 is 43/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 42 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   45/72 = 45 × 7/72 × 7 = 315/504
3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
   6/42 = 6 × 12/42 × 12 = 72/504
4. Add the two like fractions:
   315/504 + 72/504 = 315 + 72/504 = 387/504
5. 387/504 simplified gives 43/56
6. So, 45/72 + 6/42 = 43/56

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