Answers

Add 42/60 and 90/25

1^st number: 42/60, 2^nd number: 3 15/25

42/60 + 90/25 is 43/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 25 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 60 × 5 = 300,
   42/60 = 42 × 5/60 × 5 = 210/300
3. Likewise, for the 2nd fraction, since 25 × 12 = 300,
   90/25 = 90 × 12/25 × 12 = 1080/300
4. Add the two like fractions:
   210/300 + 1080/300 = 210 + 1080/300 = 1290/300
5. 1290/300 simplified gives 43/10
6. So, 42/60 + 90/25 = 43/10
   In mixed form: 43/10

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