Answers

Add 35/30 and 90/21

1^st number: 1 5/30, 2^nd number: 4 6/21

35/30 + 90/21 is 229/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 21 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   35/30 = 35 × 7/30 × 7 = 245/210
3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
   90/21 = 90 × 10/21 × 10 = 900/210
4. Add the two like fractions:
   245/210 + 900/210 = 245 + 900/210 = 1145/210
5. 1145/210 simplified gives 229/42
6. So, 35/30 + 90/21 = 229/42
   In mixed form: 519/42

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