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Add 16/20 and 40/63

16/20 + 40/63 is 452/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    16/20 = 16 × 63/20 × 63 = 1008/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    40/63 = 40 × 20/63 × 20 = 800/1260
  4. Add the two like fractions:
    1008/1260 + 800/1260 = 1008 + 800/1260 = 1808/1260
  5. 1808/1260 simplified gives 452/315
  6. So, 16/20 + 40/63 = 452/315
    In mixed form: 1137/315

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