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Add 35/18 and 72/80

1st number: 1 17/18, 2nd number: 72/80

35/18 + 72/80 is 128/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    35/18 = 35 × 40/18 × 40 = 1400/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    72/80 = 72 × 9/80 × 9 = 648/720
  4. Add the two like fractions:
    1400/720 + 648/720 = 1400 + 648/720 = 2048/720
  5. 2048/720 simplified gives 128/45
  6. So, 35/18 + 72/80 = 128/45
    In mixed form: 238/45

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