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Add 30/70 and 1/20

30/70 + 1/20 is 67/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    30/70 = 30 × 2/70 × 2 = 60/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    1/20 = 1 × 7/20 × 7 = 7/140
  4. Add the two like fractions:
    60/140 + 7/140 = 60 + 7/140 = 67/140
  5. So, 30/70 + 1/20 = 67/140

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