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Add 10/42 and 9/70

10/42 + 9/70 is 11/30.

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,
    10/42 = 10 × 5/42 × 5 = 50/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    9/70 = 9 × 3/70 × 3 = 27/210
  4. Add the two like fractions:
    50/210 + 27/210 = 50 + 27/210 = 77/210
  5. 77/210 simplified gives 11/30
  6. So, 10/42 + 9/70 = 11/30

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