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Add 21/36 and 84/10

1st number: 21/36, 2nd number: 8 4/10

21/36 + 84/10 is 539/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 10 is 180
  2. For the 1st fraction, since 36 × 5 = 180,
    21/36 = 21 × 5/36 × 5 = 105/180
  3. Likewise, for the 2nd fraction, since 10 × 18 = 180,
    84/10 = 84 × 18/10 × 18 = 1512/180
  4. Add the two fractions:
    105/180 + 1512/180 = 105 + 1512/180 = 1617/180
  5. 1617/180 simplified gives 539/60
  6. So, 21/36 + 84/10 = 539/60
    In mixed form: 859/60

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