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Add 72/8 and 42/20

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

72/8 + 42/20 is 111/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    72/8 = 72 × 5/8 × 5 = 360/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    42/20 = 42 × 2/20 × 2 = 84/40
  4. Add the two like fractions:
    360/40 + 84/40 = 360 + 84/40 = 444/40
  5. 444/40 simplified gives 111/10
  6. So, 72/8 + 42/20 = 111/10
    In mixed form: 111/10

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