Add 45/25 and 27/32, Solve 1 20/25 + 27/32 as a fraction

Add 45/25 and 27/32

1^st number: 1 20/25, 2^nd number: 27/32

45/25 + 27/32 is 423/160.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 32 is 800

Next, find the equivalent fraction of both fractional numbers with denominator 800
For the 1st fraction, since 25 × 32 = 800,
45/25 = 45 × 32/25 × 32 = 1440/800
Likewise, for the 2nd fraction, since 32 × 25 = 800,
27/32 = 27 × 25/32 × 25 = 675/800
Add the two like fractions:
1440/800 + 675/800 = 1440 + 675/800 = 2115/800
2115/800 simplified gives 423/160
So, 45/25 + 27/32 = 423/160
In mixed form: 2103/160

MathStep (Works offline)

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