Answers

Add 54/20 and 72/35

1^st number: 2 14/20, 2^nd number: 2 2/35

54/20 + 72/35 is 333/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   54/20 = 54 × 7/20 × 7 = 378/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   72/35 = 72 × 4/35 × 4 = 288/140
4. Add the two like fractions:
   378/140 + 288/140 = 378 + 288/140 = 666/140
5. 666/140 simplified gives 333/70
6. So, 54/20 + 72/35 = 333/70
   In mixed form: 453/70

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