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Add 28/7 and 15/72

1st number: 4 0/7, 2nd number: 15/72

28/7 + 15/72 is 101/24.

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,
    28/7 = 28 × 72/7 × 72 = 2016/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    15/72 = 15 × 7/72 × 7 = 105/504
  4. Add the two like fractions:
    2016/504 + 105/504 = 2016 + 105/504 = 2121/504
  5. 2121/504 simplified gives 101/24
  6. So, 28/7 + 15/72 = 101/24
    In mixed form: 45/24

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