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Add 7/9 and 8/10

7/9 + 8/10 is 71/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 10 is 90
  2. For the 1st fraction, since 9 × 10 = 90,
    7/9 = 7 × 10/9 × 10 = 70/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    8/10 = 8 × 9/10 × 9 = 72/90
  4. Add the two fractions:
    70/90 + 72/90 = 70 + 72/90 = 142/90
  5. 142/90 simplified gives 71/45
  6. So, 7/9 + 8/10 = 71/45
    In mixed form: 126/45

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