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Add 20/14 and 70/80

1st number: 1 6/14, 2nd number: 70/80

20/14 + 70/80 is 129/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    20/14 = 20 × 40/14 × 40 = 800/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    70/80 = 70 × 7/80 × 7 = 490/560
  4. Add the two like fractions:
    800/560 + 490/560 = 800 + 490/560 = 1290/560
  5. 1290/560 simplified gives 129/56
  6. So, 20/14 + 70/80 = 129/56
    In mixed form: 217/56

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