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Add 81/90 and 35/63

81/90 + 35/63 is 131/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    81/90 = 81 × 7/90 × 7 = 567/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    35/63 = 35 × 10/63 × 10 = 350/630
  4. Add the two like fractions:
    567/630 + 350/630 = 567 + 350/630 = 917/630
  5. 917/630 simplified gives 131/90
  6. So, 81/90 + 35/63 = 131/90
    In mixed form: 141/90

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