Add 81/80 and 5/56, Solve 1 1/80 + 5/56 as a fraction

Add 81/80 and 5/56

1^st number: 1 1/80, 2^nd number: 5/56

81/80 + 5/56 is 617/560.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
81/80 = 81 × 7/80 × 7 = 567/560
Likewise, for the 2nd fraction, since 56 × 10 = 560,
5/56 = 5 × 10/56 × 10 = 50/560
Add the two like fractions:
567/560 + 50/560 = 567 + 50/560 = 617/560
So, 81/80 + 5/56 = 617/560
In mixed form: 157/560

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