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Add 3/7 and 3/40

3/7 + 3/40 is 141/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280
  2. For the 1st fraction, since 7 × 40 = 280,
    3/7 = 3 × 40/7 × 40 = 120/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  4. Add the two fractions:
    120/280 + 21/280 = 120 + 21/280 = 141/280

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