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Add 72/54 and 63/90

1st number: 1 18/54, 2nd number: 63/90

72/54 + 63/90 is 61/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 90 is 270
  2. For the 1st fraction, since 54 × 5 = 270,
    72/54 = 72 × 5/54 × 5 = 360/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    63/90 = 63 × 3/90 × 3 = 189/270
  4. Add the two fractions:
    360/270 + 189/270 = 360 + 189/270 = 549/270
  5. After reducing the fraction, the answer is 61/30
  6. In mixed form: 21/30

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