Answers

Add 42/84 and 10/72

42/84 + 10/72 is 23/36.

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,
   10/72 = 10 × 7/72 × 7 = 70/504
4. Add the two like fractions:
   252/504 + 70/504 = 252 + 70/504 = 322/504
5. 322/504 simplified gives 23/36
6. So, 42/84 + 10/72 = 23/36

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