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Add 42/70 and 4/7

42/70 + 4/7 is 41/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    42/70 = 42 × 1/70 × 1 = 42/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    4/7 = 4 × 10/7 × 10 = 40/70
  4. Add the two like fractions:
    42/70 + 40/70 = 42 + 40/70 = 82/70
  5. 82/70 simplified gives 41/35
  6. So, 42/70 + 4/7 = 41/35
    In mixed form: 16/35

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