Answers

Add 80/30 and 63/70

1^st number: 2 20/30, 2^nd number: 63/70

80/30 + 63/70 is 107/30.

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,
   80/30 = 80 × 7/30 × 7 = 560/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   63/70 = 63 × 3/70 × 3 = 189/210
4. Add the two like fractions:
   560/210 + 189/210 = 560 + 189/210 = 749/210
5. 749/210 simplified gives 107/30
6. So, 80/30 + 63/70 = 107/30
   In mixed form: 317/30

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