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Add 70/36 and 90/80

1st number: 1 34/36, 2nd number: 1 10/80

70/36 + 90/80 is 221/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 36 × 20 = 720,
    70/36 = 70 × 20/36 × 20 = 1400/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    90/80 = 90 × 9/80 × 9 = 810/720
  4. Add the two like fractions:
    1400/720 + 810/720 = 1400 + 810/720 = 2210/720
  5. 2210/720 simplified gives 221/72
  6. So, 70/36 + 90/80 = 221/72
    In mixed form: 35/72

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