Answers

Add 60/21 and 40/16

1^st number: 2 18/21, 2^nd number: 2 8/16

60/21 + 40/16 is 75/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 16 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 21 × 16 = 336,
   60/21 = 60 × 16/21 × 16 = 960/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   40/16 = 40 × 21/16 × 21 = 840/336
4. Add the two like fractions:
   960/336 + 840/336 = 960 + 840/336 = 1800/336
5. 1800/336 simplified gives 75/14
6. So, 60/21 + 40/16 = 75/14
   In mixed form: 55/14

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