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Add 5/40 and 20/84

5/40 + 20/84 is 61/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840
  2. For the 1st fraction, since 40 × 21 = 840,
    5/40 = 5 × 21/40 × 21 = 105/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    20/84 = 20 × 10/84 × 10 = 200/840
  4. Add the two fractions:
    105/840 + 200/840 = 105 + 200/840 = 305/840
  5. 305/840 simplified gives 61/168
  6. So, 5/40 + 20/84 = 61/168

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