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Add 20/28 and 1/80

20/28 + 1/80 is 407/560.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 28 × 20 = 560,
    20/28 = 20 × 20/28 × 20 = 400/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    1/80 = 1 × 7/80 × 7 = 7/560
  4. Add the two like fractions:
    400/560 + 7/560 = 400 + 7/560 = 407/560
  5. So, 20/28 + 1/80 = 407/560

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