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Add 1/42 and 75/40

1st number: 1/42, 2nd number: 1 35/40

1/42 + 75/40 is 319/168.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 42 × 20 = 840,
    1/42 = 1 × 20/42 × 20 = 20/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    75/40 = 75 × 21/40 × 21 = 1575/840
  4. Add the two like fractions:
    20/840 + 1575/840 = 20 + 1575/840 = 1595/840
  5. 1595/840 simplified gives 319/168
  6. So, 1/42 + 75/40 = 319/168
    In mixed form: 1151/168

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