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Add 80/70 and 98/20

1st number: 1 10/70, 2nd number: 4 18/20

80/70 + 98/20 is 423/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    80/70 = 80 × 2/70 × 2 = 160/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    98/20 = 98 × 7/20 × 7 = 686/140
  4. Add the two fractions:
    160/140 + 686/140 = 160 + 686/140 = 846/140
  5. After reducing the fraction, the answer is 423/70
  6. In mixed form: 63/70

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