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Add 30/90 and 45/4

1st number: 30/90, 2nd number: 11 1/4

30/90 + 45/4 is 139/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    30/90 = 30 × 2/90 × 2 = 60/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    45/4 = 45 × 45/4 × 45 = 2025/180
  4. Add the two like fractions:
    60/180 + 2025/180 = 60 + 2025/180 = 2085/180
  5. 2085/180 simplified gives 139/12
  6. So, 30/90 + 45/4 = 139/12
    In mixed form: 117/12

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