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Add 5/21 and 8/72

5/21 + 8/72 is 22/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 21 × 24 = 504,
    5/21 = 5 × 24/21 × 24 = 120/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    8/72 = 8 × 7/72 × 7 = 56/504
  4. Add the two like fractions:
    120/504 + 56/504 = 120 + 56/504 = 176/504
  5. 176/504 simplified gives 22/63
  6. So, 5/21 + 8/72 = 22/63

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