Answers

Add 72/30 and 90/35

1^st number: 2 12/30, 2^nd number: 2 20/35

72/30 + 90/35 is 174/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 35 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   72/30 = 72 × 7/30 × 7 = 504/210
3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
   90/35 = 90 × 6/35 × 6 = 540/210
4. Add the two like fractions:
   504/210 + 540/210 = 504 + 540/210 = 1044/210
5. 1044/210 simplified gives 174/35
6. So, 72/30 + 90/35 = 174/35
   In mixed form: 434/35

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