Answers

Add 75/54 and 4/45

1^st number: 1 21/54, 2^nd number: 4/45

75/54 + 4/45 is 133/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 45 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   75/54 = 75 × 5/54 × 5 = 375/270
3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
   4/45 = 4 × 6/45 × 6 = 24/270
4. Add the two like fractions:
   375/270 + 24/270 = 375 + 24/270 = 399/270
5. 399/270 simplified gives 133/90
6. So, 75/54 + 4/45 = 133/90
   In mixed form: 143/90

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