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Add 98/80 and 28/70

1st number: 1 18/80, 2nd number: 28/70

98/80 + 28/70 is 13/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 70 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    98/80 = 98 × 7/80 × 7 = 686/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    28/70 = 28 × 8/70 × 8 = 224/560
  4. Add the two like fractions:
    686/560 + 224/560 = 686 + 224/560 = 910/560
  5. 910/560 simplified gives 13/8
  6. So, 98/80 + 28/70 = 13/8
    In mixed form: 15/8

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