Add 15/16 and 80/40, Solve 15/16 + 2 0/40 as a fraction

Add 15/16 and 80/40

1^st number: 15/16, 2^nd number: 2 0/40

15/16 + 80/40 is 47/16.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80
Likewise, for the 2nd fraction, since 40 × 2 = 80,
80/40 = 80 × 2/40 × 2 = 160/80
Add the two like fractions:
75/80 + 160/80 = 75 + 160/80 = 235/80
235/80 simplified gives 47/16
So, 15/16 + 80/40 = 47/16
In mixed form: 215/16

MathStep (Works offline)

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