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Add 1/20 and 36/63

1/20 + 36/63 is 87/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    1/20 = 1 × 63/20 × 63 = 63/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    36/63 = 36 × 20/63 × 20 = 720/1260
  4. Add the two fractions:
    63/1260 + 720/1260 = 63 + 720/1260 = 783/1260
  5. 783/1260 simplified gives 87/140
  6. So, 1/20 + 36/63 = 87/140

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