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Add 24/42 and 80/90

24/42 + 80/90 is 92/63.

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,
    24/42 = 24 × 15/42 × 15 = 360/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    80/90 = 80 × 7/90 × 7 = 560/630
  4. Add the two like fractions:
    360/630 + 560/630 = 360 + 560/630 = 920/630
  5. 920/630 simplified gives 92/63
  6. So, 24/42 + 80/90 = 92/63
    In mixed form: 129/63

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