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Add 72/80 and 7/28

72/80 + 7/28 is 23/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    72/80 = 72 × 7/80 × 7 = 504/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    7/28 = 7 × 20/28 × 20 = 140/560
  4. Add the two like fractions:
    504/560 + 140/560 = 504 + 140/560 = 644/560
  5. 644/560 simplified gives 23/20
  6. So, 72/80 + 7/28 = 23/20
    In mixed form: 13/20

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