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Add 15/42 and 4/70

15/42 + 4/70 is 29/70.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    15/42 = 15 × 5/42 × 5 = 75/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    4/70 = 4 × 3/70 × 3 = 12/210
  4. Add the two like fractions:
    75/210 + 12/210 = 75 + 12/210 = 87/210
  5. 87/210 simplified gives 29/70
  6. So, 15/42 + 4/70 = 29/70

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