Answers

Add 63/72 and 40/20

1^st number: 63/72, 2^nd number: 2 0/20

63/72 + 40/20 is 23/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 20 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   63/72 = 63 × 5/72 × 5 = 315/360
3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
   40/20 = 40 × 18/20 × 18 = 720/360
4. Add the two like fractions:
   315/360 + 720/360 = 315 + 720/360 = 1035/360
5. 1035/360 simplified gives 23/8
6. So, 63/72 + 40/20 = 23/8
   In mixed form: 27/8

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