Add 25/18 and 42/32, Solve 1 7/18 + 1 10/32 as a fraction

Add 25/18 and 42/32

1^st number: 1 7/18, 2^nd number: 1 10/32

25/18 + 42/32 is 389/144.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288

Next, find the equivalent fraction of both fractional numbers with denominator 288
For the 1st fraction, since 18 × 16 = 288,
25/18 = 25 × 16/18 × 16 = 400/288
Likewise, for the 2nd fraction, since 32 × 9 = 288,
42/32 = 42 × 9/32 × 9 = 378/288
Add the two like fractions:
400/288 + 378/288 = 400 + 378/288 = 778/288
778/288 simplified gives 389/144
So, 25/18 + 42/32 = 389/144
In mixed form: 2101/144

MathStep (Works offline)

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