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Add 6/70 and 21/80

6/70 + 21/80 is 39/112.

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,
    6/70 = 6 × 8/70 × 8 = 48/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    21/80 = 21 × 7/80 × 7 = 147/560
  4. Add the two like fractions:
    48/560 + 147/560 = 48 + 147/560 = 195/560
  5. 195/560 simplified gives 39/112
  6. So, 6/70 + 21/80 = 39/112

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