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Add 3/90 and 45/12

1st number: 3/90, 2nd number: 3 9/12

3/90 + 45/12 is 227/60.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    3/90 = 3 × 2/90 × 2 = 6/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    45/12 = 45 × 15/12 × 15 = 675/180
  4. Add the two like fractions:
    6/180 + 675/180 = 6 + 675/180 = 681/180
  5. 681/180 simplified gives 227/60
  6. So, 3/90 + 45/12 = 227/60
    In mixed form: 347/60

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