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Add 3/42 and 98/40

1st number: 3/42, 2nd number: 2 18/40

3/42 + 98/40 is 353/140.

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,
    3/42 = 3 × 20/42 × 20 = 60/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    98/40 = 98 × 21/40 × 21 = 2058/840
  4. Add the two like fractions:
    60/840 + 2058/840 = 60 + 2058/840 = 2118/840
  5. 2118/840 simplified gives 353/140
  6. So, 3/42 + 98/40 = 353/140
    In mixed form: 273/140

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