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Add 18/70 and 2/8

18/70 + 2/8 is 71/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    18/70 = 18 × 4/70 × 4 = 72/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    2/8 = 2 × 35/8 × 35 = 70/280
  4. Add the two like fractions:
    72/280 + 70/280 = 72 + 70/280 = 142/280
  5. 142/280 simplified gives 71/140
  6. So, 18/70 + 2/8 = 71/140

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