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Add 21/45 and 48/36

1st number: 21/45, 2nd number: 1 12/36

21/45 + 48/36 is 9/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    21/45 = 21 × 4/45 × 4 = 84/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    48/36 = 48 × 5/36 × 5 = 240/180
  4. Add the two like fractions:
    84/180 + 240/180 = 84 + 240/180 = 324/180
  5. 324/180 simplified gives 9/5
  6. So, 21/45 + 48/36 = 9/5
    In mixed form: 14/5

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