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Add 63/14 and 15/20

1st number: 4 7/14, 2nd number: 15/20

63/14 + 15/20 is 21/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 14 × 10 = 140,
    63/14 = 63 × 10/14 × 10 = 630/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    15/20 = 15 × 7/20 × 7 = 105/140
  4. Add the two like fractions:
    630/140 + 105/140 = 630 + 105/140 = 735/140
  5. 735/140 simplified gives 21/4
  6. So, 63/14 + 15/20 = 21/4
    In mixed form: 51/4

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