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Add 40/7 and 28/72

1st number: 5 5/7, 2nd number: 28/72

40/7 + 28/72 is 769/126.

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,
    40/7 = 40 × 72/7 × 72 = 2880/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    28/72 = 28 × 7/72 × 7 = 196/504
  4. Add the two like fractions:
    2880/504 + 196/504 = 2880 + 196/504 = 3076/504
  5. 3076/504 simplified gives 769/126
  6. So, 40/7 + 28/72 = 769/126
    In mixed form: 613/126

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