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Add 56/42 and 28/90

1st number: 1 14/42, 2nd number: 28/90

56/42 + 28/90 is 74/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    56/42 = 56 × 15/42 × 15 = 840/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    28/90 = 28 × 7/90 × 7 = 196/630
  4. Add the two like fractions:
    840/630 + 196/630 = 840 + 196/630 = 1036/630
  5. 1036/630 simplified gives 74/45
  6. So, 56/42 + 28/90 = 74/45
    In mixed form: 129/45

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