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Add 1/70 and 15/42

1/70 + 15/42 is 13/35.

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,
    1/70 = 1 × 3/70 × 3 = 3/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    15/42 = 15 × 5/42 × 5 = 75/210
  4. Add the two like fractions:
    3/210 + 75/210 = 3 + 75/210 = 78/210
  5. 78/210 simplified gives 13/35
  6. So, 1/70 + 15/42 = 13/35

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