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Add 75/7 and 98/8

1st number: 10 5/7, 2nd number: 12 2/8

75/7 + 98/8 is 643/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 7 × 8 = 56,
    75/7 = 75 × 8/7 × 8 = 600/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    98/8 = 98 × 7/8 × 7 = 686/56
  4. Add the two like fractions:
    600/56 + 686/56 = 600 + 686/56 = 1286/56
  5. 1286/56 simplified gives 643/28
  6. So, 75/7 + 98/8 = 643/28
    In mixed form: 2227/28

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