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Add 70/15 and 15/18

1st number: 4 10/15, 2nd number: 15/18

70/15 + 15/18 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    70/15 = 70 × 6/15 × 6 = 420/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    15/18 = 15 × 5/18 × 5 = 75/90
  4. Add the two like fractions:
    420/90 + 75/90 = 420 + 75/90 = 495/90
  5. 495/90 simplified gives 11/2
  6. So, 70/15 + 15/18 = 11/2
    In mixed form: 51/2

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