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Add 36/84 and 3/40

36/84 + 3/40 is 141/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 40 is 840
  2. For the 1st fraction, since 84 × 10 = 840,
    36/84 = 36 × 10/84 × 10 = 360/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    3/40 = 3 × 21/40 × 21 = 63/840
  4. Add the two fractions:
    360/840 + 63/840 = 360 + 63/840 = 423/840
  5. 423/840 simplified gives 141/280
  6. So, 36/84 + 3/40 = 141/280

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