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Add 18/40 and 63/12

1st number: 18/40, 2nd number: 5 3/12

18/40 + 63/12 is 57/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    18/40 = 18 × 3/40 × 3 = 54/120
  3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
    63/12 = 63 × 10/12 × 10 = 630/120
  4. Add the two like fractions:
    54/120 + 630/120 = 54 + 630/120 = 684/120
  5. 684/120 simplified gives 57/10
  6. So, 18/40 + 63/12 = 57/10
    In mixed form: 57/10

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