Answers

Add 15/54 and 90/48

1^st number: 15/54, 2^nd number: 1 42/48

15/54 + 90/48 is 155/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 48 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 54 × 8 = 432,
   15/54 = 15 × 8/54 × 8 = 120/432
3. Likewise, for the 2nd fraction, since 48 × 9 = 432,
   90/48 = 90 × 9/48 × 9 = 810/432
4. Add the two like fractions:
   120/432 + 810/432 = 120 + 810/432 = 930/432
5. 930/432 simplified gives 155/72
6. So, 15/54 + 90/48 = 155/72
   In mixed form: 211/72

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