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Add 7/49 and 9/90

7/49 + 9/90 is 17/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 49 × 90 = 4410,
    7/49 = 7 × 90/49 × 90 = 630/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    9/90 = 9 × 49/90 × 49 = 441/4410
  4. Add the two like fractions:
    630/4410 + 441/4410 = 630 + 441/4410 = 1071/4410
  5. 1071/4410 simplified gives 17/70
  6. So, 7/49 + 9/90 = 17/70

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