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Add 45/9 and 81/70

1st number: 5 0/9, 2nd number: 1 11/70

45/9 + 81/70 is 431/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 9 × 70 = 630,
    45/9 = 45 × 70/9 × 70 = 3150/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    81/70 = 81 × 9/70 × 9 = 729/630
  4. Add the two like fractions:
    3150/630 + 729/630 = 3150 + 729/630 = 3879/630
  5. 3879/630 simplified gives 431/70
  6. So, 45/9 + 81/70 = 431/70
    In mixed form: 611/70

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