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Add 3/90 and 18/56

3/90 + 18/56 is 149/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 56 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 90 × 28 = 2520,
    3/90 = 3 × 28/90 × 28 = 84/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    18/56 = 18 × 45/56 × 45 = 810/2520
  4. Add the two like fractions:
    84/2520 + 810/2520 = 84 + 810/2520 = 894/2520
  5. 894/2520 simplified gives 149/420
  6. So, 3/90 + 18/56 = 149/420

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