Answers

Add 70/21 and 72/32

1^st number: 3 7/21, 2^nd number: 2 8/32

70/21 + 72/32 is 67/12.

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,
   70/21 = 70 × 32/21 × 32 = 2240/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   72/32 = 72 × 21/32 × 21 = 1512/672
4. Add the two like fractions:
   2240/672 + 1512/672 = 2240 + 1512/672 = 3752/672
5. 3752/672 simplified gives 67/12
6. So, 70/21 + 72/32 = 67/12
   In mixed form: 57/12

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