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Add 48/20 and 45/72

1st number: 2 8/20, 2nd number: 45/72

48/20 + 45/72 is 121/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 20 × 18 = 360,
    48/20 = 48 × 18/20 × 18 = 864/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    45/72 = 45 × 5/72 × 5 = 225/360
  4. Add the two like fractions:
    864/360 + 225/360 = 864 + 225/360 = 1089/360
  5. 1089/360 simplified gives 121/40
  6. So, 48/20 + 45/72 = 121/40
    In mixed form: 31/40

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