Answers

Add 25/4 and 90/84

1^st number: 6 1/4, 2^nd number: 1 6/84

25/4 + 90/84 is 205/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   25/4 = 25 × 21/4 × 21 = 525/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   90/84 = 90 × 1/84 × 1 = 90/84
4. Add the two like fractions:
   525/84 + 90/84 = 525 + 90/84 = 615/84
5. 615/84 simplified gives 205/28
6. So, 25/4 + 90/84 = 205/28
   In mixed form: 79/28

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