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Add 21/20 and 75/12

1st number: 1 1/20, 2nd number: 6 3/12

21/20 + 75/12 is 73/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    21/20 = 21 × 3/20 × 3 = 63/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    75/12 = 75 × 5/12 × 5 = 375/60
  4. Add the two like fractions:
    63/60 + 375/60 = 63 + 375/60 = 438/60
  5. 438/60 simplified gives 73/10
  6. So, 21/20 + 75/12 = 73/10
    In mixed form: 73/10

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