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Add 27/30 and 70/80

27/30 + 70/80 is 71/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 80 is 240
  2. For the 1st fraction, since 30 × 8 = 240,
    27/30 = 27 × 8/30 × 8 = 216/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    70/80 = 70 × 3/80 × 3 = 210/240
  4. Add the two fractions:
    216/240 + 210/240 = 216 + 210/240 = 426/240
  5. 426/240 simplified gives 71/40
  6. So, 27/30 + 70/80 = 71/40
    In mixed form: 131/40

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