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Add 90/84 and 54/90

1st number: 1 6/84, 2nd number: 54/90

90/84 + 54/90 is 117/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    90/84 = 90 × 15/84 × 15 = 1350/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    54/90 = 54 × 14/90 × 14 = 756/1260
  4. Add the two like fractions:
    1350/1260 + 756/1260 = 1350 + 756/1260 = 2106/1260
  5. 2106/1260 simplified gives 117/70
  6. So, 90/84 + 54/90 = 117/70
    In mixed form: 147/70

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