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Add 18/24 and 15/70

18/24 + 15/70 is 27/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 24 × 35 = 840,
    18/24 = 18 × 35/24 × 35 = 630/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    15/70 = 15 × 12/70 × 12 = 180/840
  4. Add the two like fractions:
    630/840 + 180/840 = 630 + 180/840 = 810/840
  5. 810/840 simplified gives 27/28
  6. So, 18/24 + 15/70 = 27/28

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