Answers

Add 35/70 and 72/20

1^st number: 35/70, 2^nd number: 3 12/20

35/70 + 72/20 is 41/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   35/70 = 35 × 2/70 × 2 = 70/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   72/20 = 72 × 7/20 × 7 = 504/140
4. Add the two like fractions:
   70/140 + 504/140 = 70 + 504/140 = 574/140
5. 574/140 simplified gives 41/10
6. So, 35/70 + 72/20 = 41/10
   In mixed form: 41/10

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