Answers

Add 54/45 and 42/4

1^st number: 1 9/45, 2^nd number: 10 2/4

54/45 + 42/4 is 117/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   54/45 = 54 × 4/45 × 4 = 216/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   42/4 = 42 × 45/4 × 45 = 1890/180
4. Add the two like fractions:
   216/180 + 1890/180 = 216 + 1890/180 = 2106/180
5. 2106/180 simplified gives 117/10
6. So, 54/45 + 42/4 = 117/10
   In mixed form: 117/10

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