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Add 3/40 and 4/49

3/40 + 4/49 is 307/1960.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 49 is 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    3/40 = 3 × 49/40 × 49 = 147/1960
  3. Likewise, for the 2nd fraction, since 49 × 40 = 1960,
    4/49 = 4 × 40/49 × 40 = 160/1960
  4. Add the two fractions:
    147/1960 + 160/1960 = 147 + 160/1960 = 307/1960
  5. So, 3/40 + 4/49 = 307/1960

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