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Add 80/70 and 98/90

1st number: 1 10/70, 2nd number: 1 8/90

80/70 + 98/90 is 703/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 90 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    80/70 = 80 × 9/70 × 9 = 720/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    98/90 = 98 × 7/90 × 7 = 686/630
  4. Add the two fractions:
    720/630 + 686/630 = 720 + 686/630 = 1406/630
  5. After reducing the fraction, the answer is 703/315
  6. In mixed form: 273/315

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