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Add 70/15 and 7/18

1st number: 4 10/15, 2nd number: 7/18

70/15 + 7/18 is 91/18.

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,
    7/18 = 7 × 5/18 × 5 = 35/90
  4. Add the two like fractions:
    420/90 + 35/90 = 420 + 35/90 = 455/90
  5. 455/90 simplified gives 91/18
  6. So, 70/15 + 7/18 = 91/18
    In mixed form: 51/18

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