Answers

Add 80/10 and 42/54

1^st number: 8 0/10, 2^nd number: 42/54

80/10 + 42/54 is 79/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 10 × 27 = 270,
   80/10 = 80 × 27/10 × 27 = 2160/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   42/54 = 42 × 5/54 × 5 = 210/270
4. Add the two like fractions:
   2160/270 + 210/270 = 2160 + 210/270 = 2370/270
5. 2370/270 simplified gives 79/9
6. So, 80/10 + 42/54 = 79/9
   In mixed form: 87/9

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