Answers

Add 80/70 and 90/50

1^st number: 1 10/70, 2^nd number: 1 40/50

80/70 + 90/50 is 103/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 50 is 350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 350
2. For the 1st fraction, since 70 × 5 = 350,
   80/70 = 80 × 5/70 × 5 = 400/350
3. Likewise, for the 2nd fraction, since 50 × 7 = 350,
   90/50 = 90 × 7/50 × 7 = 630/350
4. Add the two like fractions:
   400/350 + 630/350 = 400 + 630/350 = 1030/350
5. 1030/350 simplified gives 103/35
6. So, 80/70 + 90/50 = 103/35
   In mixed form: 233/35

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