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Add 72/45 and 21/36

1st number: 1 27/45, 2nd number: 21/36

72/45 + 21/36 is 131/60.

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,
    72/45 = 72 × 4/45 × 4 = 288/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    21/36 = 21 × 5/36 × 5 = 105/180
  4. Add the two like fractions:
    288/180 + 105/180 = 288 + 105/180 = 393/180
  5. 393/180 simplified gives 131/60
  6. So, 72/45 + 21/36 = 131/60
    In mixed form: 211/60

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