Answers

Add 54/7 and 45/30

1^st number: 7 5/7, 2^nd number: 1 15/30

54/7 + 45/30 is 129/14.

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,
   54/7 = 54 × 30/7 × 30 = 1620/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   45/30 = 45 × 7/30 × 7 = 315/210
4. Add the two like fractions:
   1620/210 + 315/210 = 1620 + 315/210 = 1935/210
5. 1935/210 simplified gives 129/14
6. So, 54/7 + 45/30 = 129/14
   In mixed form: 93/14

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