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Add 42/70 and 18/42

42/70 + 18/42 is 36/35.

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,
    18/42 = 18 × 5/42 × 5 = 90/210
  4. Add the two like fractions:
    126/210 + 90/210 = 126 + 90/210 = 216/210
  5. 216/210 simplified gives 36/35
  6. So, 42/70 + 18/42 = 36/35
    In mixed form: 11/35

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