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Add 3/10 and 18/70

3/10 + 18/70 is 39/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 70 is 70
  2. For the 1st fraction, since 10 × 7 = 70,
    3/10 = 3 × 7/10 × 7 = 21/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    18/70 = 18 × 1/70 × 1 = 18/70
  4. Add the two fractions:
    21/70 + 18/70 = 21 + 18/70 = 39/70

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