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Add 1/20 and 45/84

1/20 + 45/84 is 41/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    1/20 = 1 × 21/20 × 21 = 21/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    45/84 = 45 × 5/84 × 5 = 225/420
  4. Add the two fractions:
    21/420 + 225/420 = 21 + 225/420 = 246/420
  5. 246/420 simplified gives 41/70
  6. So, 1/20 + 45/84 = 41/70

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