Add 28/56 and 98/80, Solve 28/56 + 1 18/80 as a fraction

Add 28/56 and 98/80

1^st number: 28/56, 2^nd number: 1 18/80

28/56 + 98/80 is 69/40.

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

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 56 × 10 = 560,
28/56 = 28 × 10/56 × 10 = 280/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
98/80 = 98 × 7/80 × 7 = 686/560
Add the two like fractions:
280/560 + 686/560 = 280 + 686/560 = 966/560
966/560 simplified gives 69/40
So, 28/56 + 98/80 = 69/40
In mixed form: 129/40

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