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Add 7/80 and 4/70

7/80 + 4/70 is 81/560.

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,
    7/80 = 7 × 7/80 × 7 = 49/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    4/70 = 4 × 8/70 × 8 = 32/560
  4. Add the two like fractions:
    49/560 + 32/560 = 49 + 32/560 = 81/560
  5. So, 7/80 + 4/70 = 81/560

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