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Add 72/28 and 3/90

1st number: 2 16/28, 2nd number: 3/90

72/28 + 3/90 is 547/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    72/28 = 72 × 45/28 × 45 = 3240/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    3/90 = 3 × 14/90 × 14 = 42/1260
  4. Add the two like fractions:
    3240/1260 + 42/1260 = 3240 + 42/1260 = 3282/1260
  5. 3282/1260 simplified gives 547/210
  6. So, 72/28 + 3/90 = 547/210
    In mixed form: 2127/210

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