Add 28/80 and 84/35, Solve 28/80 + 2 14/35 as a fraction

Add 28/80 and 84/35

1^st number: 28/80, 2^nd number: 2 14/35

28/80 + 84/35 is 11/4.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
28/80 = 28 × 7/80 × 7 = 196/560
Likewise, for the 2nd fraction, since 35 × 16 = 560,
84/35 = 84 × 16/35 × 16 = 1344/560
Add the two like fractions:
196/560 + 1344/560 = 196 + 1344/560 = 1540/560
1540/560 simplified gives 11/4
So, 28/80 + 84/35 = 11/4
In mixed form: 23/4

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