Answers

Add 40/28 and 75/45

1^st number: 1 12/28, 2^nd number: 1 30/45

40/28 + 75/45 is 65/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   40/28 = 40 × 45/28 × 45 = 1800/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   75/45 = 75 × 28/45 × 28 = 2100/1260
4. Add the two like fractions:
   1800/1260 + 2100/1260 = 1800 + 2100/1260 = 3900/1260
5. 3900/1260 simplified gives 65/21
6. So, 40/28 + 75/45 = 65/21
   In mixed form: 32/21

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