Answers

Add 54/70 and 25/20

1^st number: 54/70, 2^nd number: 1 5/20

54/70 + 25/20 is 283/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   54/70 = 54 × 2/70 × 2 = 108/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   25/20 = 25 × 7/20 × 7 = 175/140
4. Add the two like fractions:
   108/140 + 175/140 = 108 + 175/140 = 283/140
5. So, 54/70 + 25/20 = 283/140
   In mixed form: 23/140

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