Answers

Add 90/42 and 54/10

1^st number: 2 6/42, 2^nd number: 5 4/10

90/42 + 54/10 is 264/35.

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,
   54/10 = 54 × 21/10 × 21 = 1134/210
4. Add the two like fractions:
   450/210 + 1134/210 = 450 + 1134/210 = 1584/210
5. 1584/210 simplified gives 264/35
6. So, 90/42 + 54/10 = 264/35
   In mixed form: 719/35

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