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Add 8/80 and 42/45

8/80 + 42/45 is 31/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    8/80 = 8 × 9/80 × 9 = 72/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    42/45 = 42 × 16/45 × 16 = 672/720
  4. Add the two like fractions:
    72/720 + 672/720 = 72 + 672/720 = 744/720
  5. 744/720 simplified gives 31/30
  6. So, 8/80 + 42/45 = 31/30
    In mixed form: 11/30

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