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Add 90/80 and 1/90

1st number: 1 10/80, 2nd number: 1/90

90/80 + 1/90 is 409/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    90/80 = 90 × 9/80 × 9 = 810/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    1/90 = 1 × 8/90 × 8 = 8/720
  4. Add the two like fractions:
    810/720 + 8/720 = 810 + 8/720 = 818/720
  5. 818/720 simplified gives 409/360
  6. So, 90/80 + 1/90 = 409/360
    In mixed form: 149/360

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