Answers

Add 70/80 and 80/70

1^st number: 70/80, 2^nd number: 1 10/70

70/80 + 80/70 is 113/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 70 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   70/80 = 70 × 7/80 × 7 = 490/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   80/70 = 80 × 8/70 × 8 = 640/560
4. Add the two like fractions:
   490/560 + 640/560 = 490 + 640/560 = 1130/560
5. 1130/560 simplified gives 113/56
6. So, 70/80 + 80/70 = 113/56
   In mixed form: 21/56

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