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Add 9/12 and 64/40

1st number: 9/12, 2nd number: 1 24/40

9/12 + 64/40 is 47/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 12 × 10 = 120,
    9/12 = 9 × 10/12 × 10 = 90/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    64/40 = 64 × 3/40 × 3 = 192/120
  4. Add the two like fractions:
    90/120 + 192/120 = 90 + 192/120 = 282/120
  5. 282/120 simplified gives 47/20
  6. So, 9/12 + 64/40 = 47/20
    In mixed form: 27/20

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