Answers

Add 64/35 and 70/80

1^st number: 1 29/35, 2^nd number: 70/80

64/35 + 70/80 is 757/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   64/35 = 64 × 16/35 × 16 = 1024/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   70/80 = 70 × 7/80 × 7 = 490/560
4. Add the two like fractions:
   1024/560 + 490/560 = 1024 + 490/560 = 1514/560
5. 1514/560 simplified gives 757/280
6. So, 64/35 + 70/80 = 757/280
   In mixed form: 2197/280

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