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Add 18/40 and 75/42

1st number: 18/40, 2nd number: 1 33/42

18/40 + 75/42 is 313/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 42 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    18/40 = 18 × 21/40 × 21 = 378/840
  3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
    75/42 = 75 × 20/42 × 20 = 1500/840
  4. Add the two like fractions:
    378/840 + 1500/840 = 378 + 1500/840 = 1878/840
  5. 1878/840 simplified gives 313/140
  6. So, 18/40 + 75/42 = 313/140
    In mixed form: 233/140

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