Answers

Add 50/20 and 64/70

1^st number: 2 10/20, 2^nd number: 64/70

50/20 + 64/70 is 239/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   50/20 = 50 × 7/20 × 7 = 350/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   64/70 = 64 × 2/70 × 2 = 128/140
4. Add the two like fractions:
   350/140 + 128/140 = 350 + 128/140 = 478/140
5. 478/140 simplified gives 239/70
6. So, 50/20 + 64/70 = 239/70
   In mixed form: 329/70

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