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Add 30/70 and 3/18

30/70 + 3/18 is 25/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 18 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    30/70 = 30 × 9/70 × 9 = 270/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    3/18 = 3 × 35/18 × 35 = 105/630
  4. Add the two fractions:
    270/630 + 105/630 = 270 + 105/630 = 375/630
  5. 375/630 simplified gives 25/42
  6. So, 30/70 + 3/18 = 25/42

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