Answers

Add 63/90 and 90/45

1^st number: 63/90, 2^nd number: 2 0/45

63/90 + 90/45 is 27/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 45 is 90
2. For the 1st fraction, since 90 × 1 = 90,
   63/90 = 63 × 1/90 × 1 = 63/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   90/45 = 90 × 2/45 × 2 = 180/90
4. Add the two fractions:
   63/90 + 180/90 = 63 + 180/90 = 243/90
5. After reducing the fraction, the answer is 27/10
6. In mixed form: 27/10

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