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Add 12/40 and 84/64

1st number: 12/40, 2nd number: 1 20/64

12/40 + 84/64 is 129/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 40 × 8 = 320,
    12/40 = 12 × 8/40 × 8 = 96/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    84/64 = 84 × 5/64 × 5 = 420/320
  4. Add the two like fractions:
    96/320 + 420/320 = 96 + 420/320 = 516/320
  5. 516/320 simplified gives 129/80
  6. So, 12/40 + 84/64 = 129/80
    In mixed form: 149/80

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