Answers

Add 21/30 and 54/16

1^st number: 21/30, 2^nd number: 3 6/16

21/30 + 54/16 is 163/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 30 × 8 = 240,
   21/30 = 21 × 8/30 × 8 = 168/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   54/16 = 54 × 15/16 × 15 = 810/240
4. Add the two like fractions:
   168/240 + 810/240 = 168 + 810/240 = 978/240
5. 978/240 simplified gives 163/40
6. So, 21/30 + 54/16 = 163/40
   In mixed form: 43/40

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