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Add 72/80 and 35/90

72/80 + 35/90 is 58/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    72/80 = 72 × 9/80 × 9 = 648/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    35/90 = 35 × 8/90 × 8 = 280/720
  4. Add the two like fractions:
    648/720 + 280/720 = 648 + 280/720 = 928/720
  5. 928/720 simplified gives 58/45
  6. So, 72/80 + 35/90 = 58/45
    In mixed form: 113/45

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