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Add 4/70 and 12/40

4/70 + 12/40 is 5/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    4/70 = 4 × 4/70 × 4 = 16/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    12/40 = 12 × 7/40 × 7 = 84/280
  4. Add the two like fractions:
    16/280 + 84/280 = 16 + 84/280 = 100/280
  5. 100/280 simplified gives 5/14
  6. So, 4/70 + 12/40 = 5/14

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