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Add 35/42 and 45/70

35/42 + 45/70 is 31/21.

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,
    35/42 = 35 × 5/42 × 5 = 175/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    45/70 = 45 × 3/70 × 3 = 135/210
  4. Add the two like fractions:
    175/210 + 135/210 = 175 + 135/210 = 310/210
  5. 310/210 simplified gives 31/21
  6. So, 35/42 + 45/70 = 31/21
    In mixed form: 110/21

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