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Add 70/20 and 63/4

1st number: 3 10/20, 2nd number: 15 3/4

70/20 + 63/4 is 77/4.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    70/20 = 70 × 1/20 × 1 = 70/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    63/4 = 63 × 5/4 × 5 = 315/20
  4. Add the two like fractions:
    70/20 + 315/20 = 70 + 315/20 = 385/20
  5. 385/20 simplified gives 77/4
  6. So, 70/20 + 63/4 = 77/4
    In mixed form: 191/4

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