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Add 70/80 and 18/12

1st number: 70/80, 2nd number: 1 6/12

70/80 + 18/12 is 19/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 12 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    70/80 = 70 × 3/80 × 3 = 210/240
  3. Likewise, for the 2nd fraction, since 12 × 20 = 240,
    18/12 = 18 × 20/12 × 20 = 360/240
  4. Add the two like fractions:
    210/240 + 360/240 = 210 + 360/240 = 570/240
  5. 570/240 simplified gives 19/8
  6. So, 70/80 + 18/12 = 19/8
    In mixed form: 23/8

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