Answers

Add 7/45 and 75/54

1^st number: 7/45, 2^nd number: 1 21/54

7/45 + 75/54 is 139/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 45 × 6 = 270,
   7/45 = 7 × 6/45 × 6 = 42/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   75/54 = 75 × 5/54 × 5 = 375/270
4. Add the two like fractions:
   42/270 + 375/270 = 42 + 375/270 = 417/270
5. 417/270 simplified gives 139/90
6. So, 7/45 + 75/54 = 139/90
   In mixed form: 149/90

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