Answers

Add 80/63 and 20/54

1^st number: 1 17/63, 2^nd number: 20/54

80/63 + 20/54 is 310/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 63 × 6 = 378,
   80/63 = 80 × 6/63 × 6 = 480/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   20/54 = 20 × 7/54 × 7 = 140/378
4. Add the two like fractions:
   480/378 + 140/378 = 480 + 140/378 = 620/378
5. 620/378 simplified gives 310/189
6. So, 80/63 + 20/54 = 310/189
   In mixed form: 1121/189

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