Answers

Add 90/42 and 63/25

1^st number: 2 6/42, 2^nd number: 2 13/25

90/42 + 63/25 is 816/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 25 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   90/42 = 90 × 25/42 × 25 = 2250/1050
3. Likewise, for the 2nd fraction, since 25 × 42 = 1050,
   63/25 = 63 × 42/25 × 42 = 2646/1050
4. Add the two like fractions:
   2250/1050 + 2646/1050 = 2250 + 2646/1050 = 4896/1050
5. 4896/1050 simplified gives 816/175
6. So, 90/42 + 63/25 = 816/175
   In mixed form: 4116/175

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