Answers

Add 42/35 and 90/24

1^st number: 1 7/35, 2^nd number: 3 18/24

42/35 + 90/24 is 99/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 35 × 24 = 840,
   42/35 = 42 × 24/35 × 24 = 1008/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   90/24 = 90 × 35/24 × 35 = 3150/840
4. Add the two like fractions:
   1008/840 + 3150/840 = 1008 + 3150/840 = 4158/840
5. 4158/840 simplified gives 99/20
6. So, 42/35 + 90/24 = 99/20
   In mixed form: 419/20

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