Answers

Add 25/70 and 50/80

25/70 + 50/80 is 55/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   25/70 = 25 × 8/70 × 8 = 200/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   50/80 = 50 × 7/80 × 7 = 350/560
4. Add the two like fractions:
   200/560 + 350/560 = 200 + 350/560 = 550/560
5. 550/560 simplified gives 55/56
6. So, 25/70 + 50/80 = 55/56

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