Answers

Add 90/30 and 80/7

1^st number: 3 0/30, 2^nd number: 11 3/7

90/30 + 80/7 is 101/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 7 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   90/30 = 90 × 7/30 × 7 = 630/210
3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
   80/7 = 80 × 30/7 × 30 = 2400/210
4. Add the two like fractions:
   630/210 + 2400/210 = 630 + 2400/210 = 3030/210
5. 3030/210 simplified gives 101/7
6. So, 90/30 + 80/7 = 101/7
   In mixed form: 143/7

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