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Add 90/81 and 3/10

1st number: 1 9/81, 2nd number: 3/10

90/81 + 3/10 is 127/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 10 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    90/81 = 90 × 10/81 × 10 = 900/810
  3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
    3/10 = 3 × 81/10 × 81 = 243/810
  4. Add the two like fractions:
    900/810 + 243/810 = 900 + 243/810 = 1143/810
  5. 1143/810 simplified gives 127/90
  6. So, 90/81 + 3/10 = 127/90
    In mixed form: 137/90

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