Answers

Add 72/30 and 63/70

1^st number: 2 12/30, 2^nd number: 63/70

72/30 + 63/70 is 33/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 70 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 70 × 3 = 210,
   63/70 = 63 × 3/70 × 3 = 189/210
4. Add the two like fractions:
   504/210 + 189/210 = 504 + 189/210 = 693/210
5. 693/210 simplified gives 33/10
6. So, 72/30 + 63/70 = 33/10
   In mixed form: 33/10

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