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Add 9/7 and 56/80

1st number: 1 2/7, 2nd number: 56/80

9/7 + 56/80 is 139/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    9/7 = 9 × 80/7 × 80 = 720/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    56/80 = 56 × 7/80 × 7 = 392/560
  4. Add the two like fractions:
    720/560 + 392/560 = 720 + 392/560 = 1112/560
  5. 1112/560 simplified gives 139/70
  6. So, 9/7 + 56/80 = 139/70
    In mixed form: 169/70

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