Add 81/80 and 8/63, Solve 1 1/80 + 8/63 as a fraction

Add 81/80 and 8/63

1^st number: 1 1/80, 2^nd number: 8/63

81/80 + 8/63 is 5743/5040.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040

Next, find the equivalent fraction of both fractional numbers with denominator 5040
For the 1st fraction, since 80 × 63 = 5040,
81/80 = 81 × 63/80 × 63 = 5103/5040
Likewise, for the 2nd fraction, since 63 × 80 = 5040,
8/63 = 8 × 80/63 × 80 = 640/5040
Add the two like fractions:
5103/5040 + 640/5040 = 5103 + 640/5040 = 5743/5040
So, 81/80 + 8/63 = 5743/5040
In mixed form: 1703/5040

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