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Add 70/80 and 9/15

70/80 + 9/15 is 59/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 15 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 15 × 16 = 240,
    9/15 = 9 × 16/15 × 16 = 144/240
  4. Add the two like fractions:
    210/240 + 144/240 = 210 + 144/240 = 354/240
  5. 354/240 simplified gives 59/40
  6. So, 70/80 + 9/15 = 59/40
    In mixed form: 119/40

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