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Add 70/90 and 8/42

70/90 + 8/42 is 61/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    70/90 = 70 × 7/90 × 7 = 490/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    8/42 = 8 × 15/42 × 15 = 120/630
  4. Add the two like fractions:
    490/630 + 120/630 = 490 + 120/630 = 610/630
  5. 610/630 simplified gives 61/63
  6. So, 70/90 + 8/42 = 61/63

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