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Add 80/45 and 81/10

1st number: 1 35/45, 2nd number: 8 1/10

80/45 + 81/10 is 889/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    80/45 = 80 × 2/45 × 2 = 160/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    81/10 = 81 × 9/10 × 9 = 729/90
  4. Add the two like fractions:
    160/90 + 729/90 = 160 + 729/90 = 889/90
  5. So, 80/45 + 81/10 = 889/90
    In mixed form: 979/90

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