Answers

Add 63/54 and 80/20

1^st number: 1 9/54, 2^nd number: 4 0/20

63/54 + 80/20 is 31/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   63/54 = 63 × 10/54 × 10 = 630/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   80/20 = 80 × 27/20 × 27 = 2160/540
4. Add the two like fractions:
   630/540 + 2160/540 = 630 + 2160/540 = 2790/540
5. 2790/540 simplified gives 31/6
6. So, 63/54 + 80/20 = 31/6
   In mixed form: 51/6

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