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Add 42/70 and 4/42

42/70 + 4/42 is 73/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    42/70 = 42 × 3/70 × 3 = 126/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    4/42 = 4 × 5/42 × 5 = 20/210
  4. Add the two like fractions:
    126/210 + 20/210 = 126 + 20/210 = 146/210
  5. 146/210 simplified gives 73/105
  6. So, 42/70 + 4/42 = 73/105

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