Answers

Add 70/72 and 80/40

1^st number: 70/72, 2^nd number: 2 0/40

70/72 + 80/40 is 107/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   70/72 = 70 × 5/72 × 5 = 350/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   80/40 = 80 × 9/40 × 9 = 720/360
4. Add the two like fractions:
   350/360 + 720/360 = 350 + 720/360 = 1070/360
5. 1070/360 simplified gives 107/36
6. So, 70/72 + 80/40 = 107/36
   In mixed form: 235/36

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