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Add 45/56 and 5/72

45/56 + 5/72 is 55/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 72 is 504
  2. For the 1st fraction, since 56 × 9 = 504,
    45/56 = 45 × 9/56 × 9 = 405/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    5/72 = 5 × 7/72 × 7 = 35/504
  4. Add the two fractions:
    405/504 + 35/504 = 405 + 35/504 = 440/504
  5. 440/504 simplified gives 55/63
  6. So, 45/56 + 5/72 = 55/63

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