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Add 70/45 and 21/63

1st number: 1 25/45, 2nd number: 21/63

70/45 + 21/63 is 17/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 63 is 315
  2. For the 1st fraction, since 45 × 7 = 315,
    70/45 = 70 × 7/45 × 7 = 490/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    21/63 = 21 × 5/63 × 5 = 105/315
  4. Add the two fractions:
    490/315 + 105/315 = 490 + 105/315 = 595/315
  5. After reducing the fraction, the answer is 17/9
  6. In mixed form: 18/9

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