Add 81/80 and 36/63, Solve 1 1/80 + 36/63 as a fraction

Add 81/80 and 36/63

1^st number: 1 1/80, 2^nd number: 36/63

81/80 + 36/63 is 887/560.

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,
36/63 = 36 × 80/63 × 80 = 2880/5040
Add the two like fractions:
5103/5040 + 2880/5040 = 5103 + 2880/5040 = 7983/5040
7983/5040 simplified gives 887/560
So, 81/80 + 36/63 = 887/560
In mixed form: 1327/560

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