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Add 49/63 and 80/90

49/63 + 80/90 is 5/3.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    49/63 = 49 × 10/63 × 10 = 490/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    80/90 = 80 × 7/90 × 7 = 560/630
  4. Add the two like fractions:
    490/630 + 560/630 = 490 + 560/630 = 1050/630
  5. 1050/630 simplified gives 5/3
  6. So, 49/63 + 80/90 = 5/3
    In mixed form: 12/3

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