Answers

Add 90/28 and 42/75

1^st number: 3 6/28, 2^nd number: 42/75

90/28 + 42/75 is 1321/350.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 75 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 28 × 75 = 2100,
   90/28 = 90 × 75/28 × 75 = 6750/2100
3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
   42/75 = 42 × 28/75 × 28 = 1176/2100
4. Add the two like fractions:
   6750/2100 + 1176/2100 = 6750 + 1176/2100 = 7926/2100
5. 7926/2100 simplified gives 1321/350
6. So, 90/28 + 42/75 = 1321/350
   In mixed form: 3271/350

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