Answers

Add 18/21 and 80/56

1^st number: 18/21, 2^nd number: 1 24/56

18/21 + 80/56 is 16/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   18/21 = 18 × 8/21 × 8 = 144/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   80/56 = 80 × 3/56 × 3 = 240/168
4. Add the two like fractions:
   144/168 + 240/168 = 144 + 240/168 = 384/168
5. 384/168 simplified gives 16/7
6. So, 18/21 + 80/56 = 16/7
   In mixed form: 22/7

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