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Add 64/42 and 84/90

1st number: 1 22/42, 2nd number: 84/90

64/42 + 84/90 is 86/35.

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,
    64/42 = 64 × 15/42 × 15 = 960/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    84/90 = 84 × 7/90 × 7 = 588/630
  4. Add the two like fractions:
    960/630 + 588/630 = 960 + 588/630 = 1548/630
  5. 1548/630 simplified gives 86/35
  6. So, 64/42 + 84/90 = 86/35
    In mixed form: 216/35

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