Answers

Add 90/21 and 60/32

1^st number: 4 6/21, 2^nd number: 1 28/32

90/21 + 60/32 is 345/56.

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,
   90/21 = 90 × 32/21 × 32 = 2880/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   60/32 = 60 × 21/32 × 21 = 1260/672
4. Add the two like fractions:
   2880/672 + 1260/672 = 2880 + 1260/672 = 4140/672
5. 4140/672 simplified gives 345/56
6. So, 90/21 + 60/32 = 345/56
   In mixed form: 69/56

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