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Add 30/12 and 72/40

1st number: 2 6/12, 2nd number: 1 32/40

30/12 + 72/40 is 43/10.

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,
    30/12 = 30 × 10/12 × 10 = 300/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    72/40 = 72 × 3/40 × 3 = 216/120
  4. Add the two like fractions:
    300/120 + 216/120 = 300 + 216/120 = 516/120
  5. 516/120 simplified gives 43/10
  6. So, 30/12 + 72/40 = 43/10
    In mixed form: 43/10

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