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Add 80/7 and 9/72

1st number: 11 3/7, 2nd number: 9/72

80/7 + 9/72 is 647/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    80/7 = 80 × 72/7 × 72 = 5760/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    9/72 = 9 × 7/72 × 7 = 63/504
  4. Add the two like fractions:
    5760/504 + 63/504 = 5760 + 63/504 = 5823/504
  5. 5823/504 simplified gives 647/56
  6. So, 80/7 + 9/72 = 647/56
    In mixed form: 1131/56

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