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Add 70/90 and 32/42

70/90 + 32/42 is 97/63.

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,
    32/42 = 32 × 15/42 × 15 = 480/630
  4. Add the two like fractions:
    490/630 + 480/630 = 490 + 480/630 = 970/630
  5. 970/630 simplified gives 97/63
  6. So, 70/90 + 32/42 = 97/63
    In mixed form: 134/63

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