Answers

Add 70/84 and 3/72

70/84 + 3/72 is 7/8.

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,
   70/84 = 70 × 6/84 × 6 = 420/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   3/72 = 3 × 7/72 × 7 = 21/504
4. Add the two like fractions:
   420/504 + 21/504 = 420 + 21/504 = 441/504
5. 441/504 simplified gives 7/8
6. So, 70/84 + 3/72 = 7/8

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