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Add 4/63 and 72/20

1st number: 4/63, 2nd number: 3 12/20

4/63 + 72/20 is 1154/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    4/63 = 4 × 20/63 × 20 = 80/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    72/20 = 72 × 63/20 × 63 = 4536/1260
  4. Add the two fractions:
    80/1260 + 4536/1260 = 80 + 4536/1260 = 4616/1260
  5. After reducing the fraction, the answer is 1154/315
  6. In mixed form: 3209/315

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