Answers

Add 42/75 and 81/28

1^st number: 42/75, 2^nd number: 2 25/28

42/75 + 81/28 is 2417/700.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 28 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   42/75 = 42 × 28/75 × 28 = 1176/2100
3. Likewise, for the 2nd fraction, since 28 × 75 = 2100,
   81/28 = 81 × 75/28 × 75 = 6075/2100
4. Add the two like fractions:
   1176/2100 + 6075/2100 = 1176 + 6075/2100 = 7251/2100
5. 7251/2100 simplified gives 2417/700
6. So, 42/75 + 81/28 = 2417/700
   In mixed form: 3317/700

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