Answers

Add 9/20 and 10/7

1^st number: 9/20, 2^nd number: 1 3/7

9/20 + 10/7 is 263/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 7 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   9/20 = 9 × 7/20 × 7 = 63/140
3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
   10/7 = 10 × 20/7 × 20 = 200/140
4. Add the two like fractions:
   63/140 + 200/140 = 63 + 200/140 = 263/140
5. So, 9/20 + 10/7 = 263/140
   In mixed form: 1123/140

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