Answers

Add 75/21 and 45/32

1^st number: 3 12/21, 2^nd number: 1 13/32

75/21 + 45/32 is 1115/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 32 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 21 × 32 = 672,
   75/21 = 75 × 32/21 × 32 = 2400/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   45/32 = 45 × 21/32 × 21 = 945/672
4. Add the two like fractions:
   2400/672 + 945/672 = 2400 + 945/672 = 3345/672
5. 3345/672 simplified gives 1115/224
6. So, 75/21 + 45/32 = 1115/224
   In mixed form: 4219/224

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