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Add 25/42 and 35/90

25/42 + 35/90 is 62/63.

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,
    25/42 = 25 × 15/42 × 15 = 375/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    35/90 = 35 × 7/90 × 7 = 245/630
  4. Add the two like fractions:
    375/630 + 245/630 = 375 + 245/630 = 620/630
  5. 620/630 simplified gives 62/63
  6. So, 25/42 + 35/90 = 62/63

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