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Add 70/63 and 21/49

1st number: 1 7/63, 2nd number: 21/49

70/63 + 21/49 is 97/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 49 is 441
  2. For the 1st fraction, since 63 × 7 = 441,
    70/63 = 70 × 7/63 × 7 = 490/441
  3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
    21/49 = 21 × 9/49 × 9 = 189/441
  4. Add the two fractions:
    490/441 + 189/441 = 490 + 189/441 = 679/441
  5. 679/441 simplified gives 97/63
  6. So, 70/63 + 21/49 = 97/63
    In mixed form: 134/63

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