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Add 1/28 and 21/80

1/28 + 21/80 is 167/560.

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,
    1/28 = 1 × 20/28 × 20 = 20/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    21/80 = 21 × 7/80 × 7 = 147/560
  4. Add the two like fractions:
    20/560 + 147/560 = 20 + 147/560 = 167/560
  5. So, 1/28 + 21/80 = 167/560

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