Answers

Add 2/90 and 70/20

1^st number: 2/90, 2^nd number: 3 10/20

2/90 + 70/20 is 317/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   2/90 = 2 × 2/90 × 2 = 4/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   70/20 = 70 × 9/20 × 9 = 630/180
4. Add the two like fractions:
   4/180 + 630/180 = 4 + 630/180 = 634/180
5. 634/180 simplified gives 317/90
6. So, 2/90 + 70/20 = 317/90
   In mixed form: 347/90

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