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Add 9/8 and 54/90

1st number: 1 1/8, 2nd number: 54/90

9/8 + 54/90 is 69/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    9/8 = 9 × 45/8 × 45 = 405/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    54/90 = 54 × 4/90 × 4 = 216/360
  4. Add the two like fractions:
    405/360 + 216/360 = 405 + 216/360 = 621/360
  5. 621/360 simplified gives 69/40
  6. So, 9/8 + 54/90 = 69/40
    In mixed form: 129/40

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