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Add 3/7 and 7/30

3/7 + 7/30 is 139/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210
  2. For the 1st fraction, since 7 × 30 = 210,
    3/7 = 3 × 30/7 × 30 = 90/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    7/30 = 7 × 7/30 × 7 = 49/210
  4. Add the two fractions:
    90/210 + 49/210 = 90 + 49/210 = 139/210

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