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Add 98/70 and 90/8

1st number: 1 28/70, 2nd number: 11 2/8

98/70 + 90/8 is 253/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    98/70 = 98 × 4/70 × 4 = 392/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    90/8 = 90 × 35/8 × 35 = 3150/280
  4. Add the two fractions:
    392/280 + 3150/280 = 392 + 3150/280 = 3542/280
  5. 3542/280 simplified gives 253/20
  6. So, 98/70 + 90/8 = 253/20
    In mixed form: 1213/20

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