Add 84/56 and 72/80, Solve 1 28/56 + 72/80 as a fraction

Add 84/56 and 72/80

1^st number: 1 28/56, 2^nd number: 72/80

84/56 + 72/80 is 12/5.

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,
84/56 = 84 × 10/56 × 10 = 840/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
72/80 = 72 × 7/80 × 7 = 504/560
Add the two like fractions:
840/560 + 504/560 = 840 + 504/560 = 1344/560
1344/560 simplified gives 12/5
So, 84/56 + 72/80 = 12/5
In mixed form: 22/5

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