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Add 21/36 and 63/20

1st number: 21/36, 2nd number: 3 3/20

21/36 + 63/20 is 56/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 20 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 20 × 9 = 180,
    63/20 = 63 × 9/20 × 9 = 567/180
  4. Add the two fractions:
    105/180 + 567/180 = 105 + 567/180 = 672/180
  5. 672/180 simplified gives 56/15
  6. So, 21/36 + 63/20 = 56/15
    In mixed form: 311/15

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