Answers

Add 72/7 and 90/30

1^st number: 10 2/7, 2^nd number: 3 0/30

72/7 + 90/30 is 93/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 7 × 30 = 210,
   72/7 = 72 × 30/7 × 30 = 2160/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   90/30 = 90 × 7/30 × 7 = 630/210
4. Add the two like fractions:
   2160/210 + 630/210 = 2160 + 630/210 = 2790/210
5. 2790/210 simplified gives 93/7
6. So, 72/7 + 90/30 = 93/7
   In mixed form: 132/7

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