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Add 84/70 and 70/80

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

84/70 + 70/80 is 83/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    84/70 = 84 × 8/70 × 8 = 672/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    70/80 = 70 × 7/80 × 7 = 490/560
  4. Add the two like fractions:
    672/560 + 490/560 = 672 + 490/560 = 1162/560
  5. 1162/560 simplified gives 83/40
  6. So, 84/70 + 70/80 = 83/40
    In mixed form: 23/40

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