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Add 42/70 and 2/10

42/70 + 2/10 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 10 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 10 × 7 = 70,
    2/10 = 2 × 7/10 × 7 = 14/70
  4. Add the two like fractions:
    42/70 + 14/70 = 42 + 14/70 = 56/70
  5. 56/70 simplified gives 4/5
  6. So, 42/70 + 2/10 = 4/5

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