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Add 64/80 and 42/12

1st number: 64/80, 2nd number: 3 6/12

64/80 + 42/12 is 43/10.

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,
    64/80 = 64 × 3/80 × 3 = 192/240
  3. Likewise, for the 2nd fraction, since 12 × 20 = 240,
    42/12 = 42 × 20/12 × 20 = 840/240
  4. Add the two like fractions:
    192/240 + 840/240 = 192 + 840/240 = 1032/240
  5. 1032/240 simplified gives 43/10
  6. So, 64/80 + 42/12 = 43/10
    In mixed form: 43/10

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