Answers

Add 35/20 and 30/72

1^st number: 1 15/20, 2^nd number: 30/72

35/20 + 30/72 is 13/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   35/20 = 35 × 18/20 × 18 = 630/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   30/72 = 30 × 5/72 × 5 = 150/360
4. Add the two like fractions:
   630/360 + 150/360 = 630 + 150/360 = 780/360
5. 780/360 simplified gives 13/6
6. So, 35/20 + 30/72 = 13/6
   In mixed form: 21/6

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