Answers

Add 54/21 and 54/25

1^st number: 2 12/21, 2^nd number: 2 4/25

54/21 + 54/25 is 828/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 25 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 21 × 25 = 525,
   54/21 = 54 × 25/21 × 25 = 1350/525
3. Likewise, for the 2nd fraction, since 25 × 21 = 525,
   54/25 = 54 × 21/25 × 21 = 1134/525
4. Add the two like fractions:
   1350/525 + 1134/525 = 1350 + 1134/525 = 2484/525
5. 2484/525 simplified gives 828/175
6. So, 54/21 + 54/25 = 828/175
   In mixed form: 4128/175

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