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Add 12/20 and 72/8

1st number: 12/20, 2nd number: 9 0/8

12/20 + 72/8 is 48/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    12/20 = 12 × 2/20 × 2 = 24/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    72/8 = 72 × 5/8 × 5 = 360/40
  4. Add the two like fractions:
    24/40 + 360/40 = 24 + 360/40 = 384/40
  5. 384/40 simplified gives 48/5
  6. So, 12/20 + 72/8 = 48/5
    In mixed form: 93/5

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