Add 84/80 and 84/96, Solve 1 4/80 + 84/96 as a fraction

Add 84/80 and 84/96

1^st number: 1 4/80, 2^nd number: 84/96

84/80 + 84/96 is 77/40.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 96 is 480

Next, find the equivalent fraction of both fractional numbers with denominator 480
For the 1st fraction, since 80 × 6 = 480,
84/80 = 84 × 6/80 × 6 = 504/480
Likewise, for the 2nd fraction, since 96 × 5 = 480,
84/96 = 84 × 5/96 × 5 = 420/480
Add the two like fractions:
504/480 + 420/480 = 504 + 420/480 = 924/480
924/480 simplified gives 77/40
So, 84/80 + 84/96 = 77/40
In mixed form: 137/40

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad