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Add 1/42 and 90/40

1st number: 1/42, 2nd number: 2 10/40

1/42 + 90/40 is 191/84.

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,
    90/40 = 90 × 21/40 × 21 = 1890/840
  4. Add the two like fractions:
    20/840 + 1890/840 = 20 + 1890/840 = 1910/840
  5. 1910/840 simplified gives 191/84
  6. So, 1/42 + 90/40 = 191/84
    In mixed form: 223/84

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