Answers

Add 70/84 and 32/20

1^st number: 70/84, 2^nd number: 1 12/20

70/84 + 32/20 is 73/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 20 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   32/20 = 32 × 21/20 × 21 = 672/420
4. Add the two like fractions:
   350/420 + 672/420 = 350 + 672/420 = 1022/420
5. 1022/420 simplified gives 73/30
6. So, 70/84 + 32/20 = 73/30
   In mixed form: 213/30

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