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Add 84/56 and 1/90

1st number: 1 28/56, 2nd number: 1/90

84/56 + 1/90 is 68/45.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    84/56 = 84 × 45/56 × 45 = 3780/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    1/90 = 1 × 28/90 × 28 = 28/2520
  4. Add the two like fractions:
    3780/2520 + 28/2520 = 3780 + 28/2520 = 3808/2520
  5. 3808/2520 simplified gives 68/45
  6. So, 84/56 + 1/90 = 68/45
    In mixed form: 123/45

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