Answers

Add 42/10 and 98/90

1^st number: 4 2/10, 2^nd number: 1 8/90

42/10 + 98/90 is 238/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   42/10 = 42 × 9/10 × 9 = 378/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   98/90 = 98 × 1/90 × 1 = 98/90
4. Add the two like fractions:
   378/90 + 98/90 = 378 + 98/90 = 476/90
5. 476/90 simplified gives 238/45
6. So, 42/10 + 98/90 = 238/45
   In mixed form: 513/45

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