Answers

Add 63/80 and 1/7

63/80 + 1/7 is 521/560.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 7 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   63/80 = 63 × 7/80 × 7 = 441/560
3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
   1/7 = 1 × 80/7 × 80 = 80/560
4. Add the two like fractions:
   441/560 + 80/560 = 441 + 80/560 = 521/560
5. So, 63/80 + 1/7 = 521/560

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