Answers

Add 72/10 and 20/36

1^st number: 7 2/10, 2^nd number: 20/36

72/10 + 20/36 is 349/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 10 × 18 = 180,
   72/10 = 72 × 18/10 × 18 = 1296/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   20/36 = 20 × 5/36 × 5 = 100/180
4. Add the two like fractions:
   1296/180 + 100/180 = 1296 + 100/180 = 1396/180
5. 1396/180 simplified gives 349/45
6. So, 72/10 + 20/36 = 349/45
   In mixed form: 734/45

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