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Add 70/15 and 21/63

1st number: 4 10/15, 2nd number: 21/63

70/15 + 21/63 is 5/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315
  2. For the 1st fraction, since 15 × 21 = 315,
    70/15 = 70 × 21/15 × 21 = 1470/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    21/63 = 21 × 5/63 × 5 = 105/315
  4. Add the two fractions:
    1470/315 + 105/315 = 1470 + 105/315 = 1575/315
  5. After reducing the fraction, the answer is 5/1

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