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Add 56/5 and 21/72

1st number: 11 1/5, 2nd number: 21/72

56/5 + 21/72 is 1379/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 5 × 72 = 360,
    56/5 = 56 × 72/5 × 72 = 4032/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    21/72 = 21 × 5/72 × 5 = 105/360
  4. Add the two like fractions:
    4032/360 + 105/360 = 4032 + 105/360 = 4137/360
  5. 4137/360 simplified gives 1379/120
  6. So, 56/5 + 21/72 = 1379/120
    In mixed form: 1159/120

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