Answers

Add 42/10 and 90/98

1^st number: 4 2/10, 2^nd number: 90/98

42/10 + 90/98 is 1254/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 10 × 49 = 490,
   42/10 = 42 × 49/10 × 49 = 2058/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   90/98 = 90 × 5/98 × 5 = 450/490
4. Add the two like fractions:
   2058/490 + 450/490 = 2058 + 450/490 = 2508/490
5. 2508/490 simplified gives 1254/245
6. So, 42/10 + 90/98 = 1254/245
   In mixed form: 529/245

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