Answers

Add 42/48 and 90/25

1^st number: 42/48, 2^nd number: 3 15/25

42/48 + 90/25 is 179/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 25 is 1200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1200
2. For the 1st fraction, since 48 × 25 = 1200,
   42/48 = 42 × 25/48 × 25 = 1050/1200
3. Likewise, for the 2nd fraction, since 25 × 48 = 1200,
   90/25 = 90 × 48/25 × 48 = 4320/1200
4. Add the two like fractions:
   1050/1200 + 4320/1200 = 1050 + 4320/1200 = 5370/1200
5. 5370/1200 simplified gives 179/40
6. So, 42/48 + 90/25 = 179/40
   In mixed form: 419/40

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