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Add 45/56 and 15/72

45/56 + 15/72 is 85/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    15/72 = 15 × 7/72 × 7 = 105/504
  4. Add the two like fractions:
    405/504 + 105/504 = 405 + 105/504 = 510/504
  5. 510/504 simplified gives 85/84
  6. So, 45/56 + 15/72 = 85/84
    In mixed form: 11/84

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