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Add 75/42 and 7/90

1st number: 1 33/42, 2nd number: 7/90

75/42 + 7/90 is 587/315.

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,
    75/42 = 75 × 15/42 × 15 = 1125/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    7/90 = 7 × 7/90 × 7 = 49/630
  4. Add the two like fractions:
    1125/630 + 49/630 = 1125 + 49/630 = 1174/630
  5. 1174/630 simplified gives 587/315
  6. So, 75/42 + 7/90 = 587/315
    In mixed form: 1272/315

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