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Add 90/9 and 21/70

1st number: 10 0/9, 2nd number: 21/70

90/9 + 21/70 is 103/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630
  2. For the 1st fraction, since 9 × 70 = 630,
    90/9 = 90 × 70/9 × 70 = 6300/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    21/70 = 21 × 9/70 × 9 = 189/630
  4. Add the two fractions:
    6300/630 + 189/630 = 6300 + 189/630 = 6489/630
  5. After reducing the fraction, the answer is 103/10
  6. In mixed form: 103/10

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