Answers

Add 90/7 and 54/30

1^st number: 12 6/7, 2^nd number: 1 24/30

90/7 + 54/30 is 513/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 7 × 30 = 210,
   90/7 = 90 × 30/7 × 30 = 2700/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   54/30 = 54 × 7/30 × 7 = 378/210
4. Add the two like fractions:
   2700/210 + 378/210 = 2700 + 378/210 = 3078/210
5. 3078/210 simplified gives 513/35
6. So, 90/7 + 54/30 = 513/35
   In mixed form: 1423/35

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