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Add 56/90 and 54/84

56/90 + 54/84 is 797/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    56/90 = 56 × 14/90 × 14 = 784/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    54/84 = 54 × 15/84 × 15 = 810/1260
  4. Add the two fractions:
    784/1260 + 810/1260 = 784 + 810/1260 = 1594/1260
  5. 1594/1260 simplified gives 797/630
  6. So, 56/90 + 54/84 = 797/630
    In mixed form: 1167/630

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