Answers

Add 90/72 and 5/54

1^st number: 1 18/72, 2^nd number: 5/54

90/72 + 5/54 is 145/108.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 72 × 3 = 216,
   90/72 = 90 × 3/72 × 3 = 270/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   5/54 = 5 × 4/54 × 4 = 20/216
4. Add the two like fractions:
   270/216 + 20/216 = 270 + 20/216 = 290/216
5. 290/216 simplified gives 145/108
6. So, 90/72 + 5/54 = 145/108
   In mixed form: 137/108

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