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Add 56/54 and 12/90

1st number: 1 2/54, 2nd number: 12/90

56/54 + 12/90 is 158/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 90 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    56/54 = 56 × 5/54 × 5 = 280/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    12/90 = 12 × 3/90 × 3 = 36/270
  4. Add the two like fractions:
    280/270 + 36/270 = 280 + 36/270 = 316/270
  5. 316/270 simplified gives 158/135
  6. So, 56/54 + 12/90 = 158/135
    In mixed form: 123/135

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