Answers

Add 54/40 and 30/84

1^st number: 1 14/40, 2^nd number: 30/84

54/40 + 30/84 is 239/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 84 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   54/40 = 54 × 21/40 × 21 = 1134/840
3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
   30/84 = 30 × 10/84 × 10 = 300/840
4. Add the two like fractions:
   1134/840 + 300/840 = 1134 + 300/840 = 1434/840
5. 1434/840 simplified gives 239/140
6. So, 54/40 + 30/84 = 239/140
   In mixed form: 199/140

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