Answers

Add 90/42 and 98/10

1^st number: 2 6/42, 2^nd number: 9 8/10

90/42 + 98/10 is 418/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   90/42 = 90 × 5/42 × 5 = 450/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   98/10 = 98 × 21/10 × 21 = 2058/210
4. Add the two like fractions:
   450/210 + 2058/210 = 450 + 2058/210 = 2508/210
5. 2508/210 simplified gives 418/35
6. So, 90/42 + 98/10 = 418/35
   In mixed form: 1133/35

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