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Add 18/42 and 90/50

1st number: 18/42, 2nd number: 1 40/50

18/42 + 90/50 is 78/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 50 is 1050
  2. For the 1st fraction, since 42 × 25 = 1050,
    18/42 = 18 × 25/42 × 25 = 450/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    90/50 = 90 × 21/50 × 21 = 1890/1050
  4. Add the two fractions:
    450/1050 + 1890/1050 = 450 + 1890/1050 = 2340/1050
  5. After reducing the fraction, the answer is 78/35
  6. In mixed form: 28/35

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