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Add 84/90 and 56/80

84/90 + 56/80 is 49/30.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    84/90 = 84 × 8/90 × 8 = 672/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    56/80 = 56 × 9/80 × 9 = 504/720
  4. Add the two like fractions:
    672/720 + 504/720 = 672 + 504/720 = 1176/720
  5. 1176/720 simplified gives 49/30
  6. So, 84/90 + 56/80 = 49/30
    In mixed form: 119/30

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