Answers

Add 10/7 and 7/20

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

10/7 + 7/20 is 249/140.

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,
   10/7 = 10 × 20/7 × 20 = 200/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   7/20 = 7 × 7/20 × 7 = 49/140
4. Add the two like fractions:
   200/140 + 49/140 = 200 + 49/140 = 249/140
5. So, 10/7 + 7/20 = 249/140
   In mixed form: 1109/140

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