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Add 40/12 and 6/90

1st number: 3 4/12, 2nd number: 6/90

40/12 + 6/90 is 17/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    40/12 = 40 × 15/12 × 15 = 600/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    6/90 = 6 × 2/90 × 2 = 12/180
  4. Add the two like fractions:
    600/180 + 12/180 = 600 + 12/180 = 612/180
  5. 612/180 simplified gives 17/5
  6. So, 40/12 + 6/90 = 17/5
    In mixed form: 32/5

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