Answers

Add 70/36 and 72/80

1^st number: 1 34/36, 2^nd number: 72/80

70/36 + 72/80 is 128/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 36 × 20 = 720,
   70/36 = 70 × 20/36 × 20 = 1400/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   72/80 = 72 × 9/80 × 9 = 648/720
4. Add the two like fractions:
   1400/720 + 648/720 = 1400 + 648/720 = 2048/720
5. 2048/720 simplified gives 128/45
6. So, 70/36 + 72/80 = 128/45
   In mixed form: 238/45

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