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Add 90/72 and 27/80

1st number: 1 18/72, 2nd number: 27/80

90/72 + 27/80 is 127/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720
  2. For the 1st fraction, since 72 × 10 = 720,
    90/72 = 90 × 10/72 × 10 = 900/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    27/80 = 27 × 9/80 × 9 = 243/720
  4. Add the two fractions:
    900/720 + 243/720 = 900 + 243/720 = 1143/720
  5. 1143/720 simplified gives 127/80
  6. So, 90/72 + 27/80 = 127/80
    In mixed form: 147/80

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