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Add 63/4 and 7/20

1st number: 15 3/4, 2nd number: 7/20

63/4 + 7/20 is 161/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    63/4 = 63 × 5/4 × 5 = 315/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    7/20 = 7 × 1/20 × 1 = 7/20
  4. Add the two like fractions:
    315/20 + 7/20 = 315 + 7/20 = 322/20
  5. 322/20 simplified gives 161/10
  6. So, 63/4 + 7/20 = 161/10
    In mixed form: 161/10

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