Answers

Add 48/7 and 45/20

1^st number: 6 6/7, 2^nd number: 2 5/20

48/7 + 45/20 is 255/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 7 × 20 = 140,
   48/7 = 48 × 20/7 × 20 = 960/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   45/20 = 45 × 7/20 × 7 = 315/140
4. Add the two like fractions:
   960/140 + 315/140 = 960 + 315/140 = 1275/140
5. 1275/140 simplified gives 255/28
6. So, 48/7 + 45/20 = 255/28
   In mixed form: 93/28

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