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Add 4/42 and 21/35

4/42 + 21/35 is 73/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 35 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    4/42 = 4 × 5/42 × 5 = 20/210
  3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
    21/35 = 21 × 6/35 × 6 = 126/210
  4. Add the two like fractions:
    20/210 + 126/210 = 20 + 126/210 = 146/210
  5. 146/210 simplified gives 73/105
  6. So, 4/42 + 21/35 = 73/105

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