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Add 70/63 and 21/45

1st number: 1 7/63, 2nd number: 21/45

70/63 + 21/45 is 71/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 45 is 315
  2. For the 1st fraction, since 63 × 5 = 315,
    70/63 = 70 × 5/63 × 5 = 350/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    21/45 = 21 × 7/45 × 7 = 147/315
  4. Add the two fractions:
    350/315 + 147/315 = 350 + 147/315 = 497/315
  5. After reducing the fraction, the answer is 71/45
  6. In mixed form: 126/45

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