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Add 5/12 and 72/80

5/12 + 72/80 is 79/60.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    5/12 = 5 × 20/12 × 20 = 100/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    72/80 = 72 × 3/80 × 3 = 216/240
  4. Add the two like fractions:
    100/240 + 216/240 = 100 + 216/240 = 316/240
  5. 316/240 simplified gives 79/60
  6. So, 5/12 + 72/80 = 79/60
    In mixed form: 119/60

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