Answers

Add 6/28 and 81/60

1^st number: 6/28, 2^nd number: 1 21/60

6/28 + 81/60 is 219/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   6/28 = 6 × 15/28 × 15 = 90/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   81/60 = 81 × 7/60 × 7 = 567/420
4. Add the two like fractions:
   90/420 + 567/420 = 90 + 567/420 = 657/420
5. 657/420 simplified gives 219/140
6. So, 6/28 + 81/60 = 219/140
   In mixed form: 179/140

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