Answers

Add 63/90 and 72/25

1^st number: 63/90, 2^nd number: 2 22/25

63/90 + 72/25 is 179/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 25 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   63/90 = 63 × 5/90 × 5 = 315/450
3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
   72/25 = 72 × 18/25 × 18 = 1296/450
4. Add the two like fractions:
   315/450 + 1296/450 = 315 + 1296/450 = 1611/450
5. 1611/450 simplified gives 179/50
6. So, 63/90 + 72/25 = 179/50
   In mixed form: 329/50

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