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Add 75/9 and 72/7

1st number: 8 3/9, 2nd number: 10 2/7

75/9 + 72/7 is 391/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 7 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    75/9 = 75 × 7/9 × 7 = 525/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    72/7 = 72 × 9/7 × 9 = 648/63
  4. Add the two like fractions:
    525/63 + 648/63 = 525 + 648/63 = 1173/63
  5. 1173/63 simplified gives 391/21
  6. So, 75/9 + 72/7 = 391/21
    In mixed form: 1813/21

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