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Add 24/42 and 84/90

24/42 + 84/90 is 158/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 90 is 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,
    84/90 = 84 × 7/90 × 7 = 588/630
  4. Add the two fractions:
    360/630 + 588/630 = 360 + 588/630 = 948/630
  5. 948/630 simplified gives 158/105
  6. So, 24/42 + 84/90 = 158/105
    In mixed form: 153/105

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