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Add 8/72 and 70/84

8/72 + 70/84 is 17/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    8/72 = 8 × 7/72 × 7 = 56/504
  3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
    70/84 = 70 × 6/84 × 6 = 420/504
  4. Add the two like fractions:
    56/504 + 420/504 = 56 + 420/504 = 476/504
  5. 476/504 simplified gives 17/18
  6. So, 8/72 + 70/84 = 17/18

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