Answers

Add 60/80 and 70/45

1^st number: 60/80, 2^nd number: 1 25/45

60/80 + 70/45 is 83/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   60/80 = 60 × 9/80 × 9 = 540/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   70/45 = 70 × 16/45 × 16 = 1120/720
4. Add the two like fractions:
   540/720 + 1120/720 = 540 + 1120/720 = 1660/720
5. 1660/720 simplified gives 83/36
6. So, 60/80 + 70/45 = 83/36
   In mixed form: 211/36

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