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Add 18/90 and 70/12

1st number: 18/90, 2nd number: 5 10/12

18/90 + 70/12 is 181/30.

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,
    18/90 = 18 × 2/90 × 2 = 36/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    70/12 = 70 × 15/12 × 15 = 1050/180
  4. Add the two like fractions:
    36/180 + 1050/180 = 36 + 1050/180 = 1086/180
  5. 1086/180 simplified gives 181/30
  6. So, 18/90 + 70/12 = 181/30
    In mixed form: 61/30

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