Answers

Add 40/48 and 54/45

1^st number: 40/48, 2^nd number: 1 9/45

40/48 + 54/45 is 61/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 48 × 15 = 720,
   40/48 = 40 × 15/48 × 15 = 600/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   54/45 = 54 × 16/45 × 16 = 864/720
4. Add the two like fractions:
   600/720 + 864/720 = 600 + 864/720 = 1464/720
5. 1464/720 simplified gives 61/30
6. So, 40/48 + 54/45 = 61/30
   In mixed form: 21/30

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