Answers

Add 63/20 and 48/70

1^st number: 3 3/20, 2^nd number: 48/70

63/20 + 48/70 is 537/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   63/20 = 63 × 7/20 × 7 = 441/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   48/70 = 48 × 2/70 × 2 = 96/140
4. Add the two like fractions:
   441/140 + 96/140 = 441 + 96/140 = 537/140
5. So, 63/20 + 48/70 = 537/140
   In mixed form: 3117/140

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