Answers

Add 80/50 and 63/70

1^st number: 1 30/50, 2^nd number: 63/70

80/50 + 63/70 is 5/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 70 is 350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 350
2. For the 1st fraction, since 50 × 7 = 350,
   80/50 = 80 × 7/50 × 7 = 560/350
3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
   63/70 = 63 × 5/70 × 5 = 315/350
4. Add the two like fractions:
   560/350 + 315/350 = 560 + 315/350 = 875/350
5. 875/350 simplified gives 5/2
6. So, 80/50 + 63/70 = 5/2
   In mixed form: 21/2

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