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Add 20/63 and 70/72

20/63 + 70/72 is 325/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    20/63 = 20 × 8/63 × 8 = 160/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    70/72 = 70 × 7/72 × 7 = 490/504
  4. Add the two like fractions:
    160/504 + 490/504 = 160 + 490/504 = 650/504
  5. 650/504 simplified gives 325/252
  6. So, 20/63 + 70/72 = 325/252
    In mixed form: 173/252

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