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Add 90/72 and 72/60

1st number: 1 18/72, 2nd number: 1 12/60

90/72 + 72/60 is 49/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 60 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    90/72 = 90 × 5/72 × 5 = 450/360
  3. Likewise, for the 2nd fraction, since 60 × 6 = 360,
    72/60 = 72 × 6/60 × 6 = 432/360
  4. Add the two like fractions:
    450/360 + 432/360 = 450 + 432/360 = 882/360
  5. 882/360 simplified gives 49/20
  6. So, 90/72 + 72/60 = 49/20
    In mixed form: 29/20

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