Answers

Add 40/48 and 75/45

1^st number: 40/48, 2^nd number: 1 30/45

40/48 + 75/45 is 5/2.

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,
   75/45 = 75 × 16/45 × 16 = 1200/720
4. Add the two like fractions:
   600/720 + 1200/720 = 600 + 1200/720 = 1800/720
5. 1800/720 simplified gives 5/2
6. So, 40/48 + 75/45 = 5/2
   In mixed form: 21/2

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