Answers

Add 30/20 and 63/72

1^st number: 1 10/20, 2^nd number: 63/72

30/20 + 63/72 is 19/8.

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,
   30/20 = 30 × 18/20 × 18 = 540/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   63/72 = 63 × 5/72 × 5 = 315/360
4. Add the two like fractions:
   540/360 + 315/360 = 540 + 315/360 = 855/360
5. 855/360 simplified gives 19/8
6. So, 30/20 + 63/72 = 19/8
   In mixed form: 23/8

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