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Add 30/70 and 7/18

30/70 + 7/18 is 103/126.

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,
    7/18 = 7 × 35/18 × 35 = 245/630
  4. Add the two fractions:
    270/630 + 245/630 = 270 + 245/630 = 515/630
  5. 515/630 simplified gives 103/126
  6. So, 30/70 + 7/18 = 103/126

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