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Add 40/20 and 63/12

1st number: 2 0/20, 2nd number: 5 3/12

40/20 + 63/12 is 29/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    40/20 = 40 × 3/20 × 3 = 120/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    63/12 = 63 × 5/12 × 5 = 315/60
  4. Add the two like fractions:
    120/60 + 315/60 = 120 + 315/60 = 435/60
  5. 435/60 simplified gives 29/4
  6. So, 40/20 + 63/12 = 29/4
    In mixed form: 71/4

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