Add 12/98 and 21/32, Solve 12/98 + 21/32 as a fraction

Add 12/98 and 21/32

12/98 + 21/32 is 1221/1568.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 32 is 1568

Next, find the equivalent fraction of both fractional numbers with denominator 1568
For the 1st fraction, since 98 × 16 = 1568,
12/98 = 12 × 16/98 × 16 = 192/1568
Likewise, for the 2nd fraction, since 32 × 49 = 1568,
21/32 = 21 × 49/32 × 49 = 1029/1568
Add the two like fractions:
192/1568 + 1029/1568 = 192 + 1029/1568 = 1221/1568
So, 12/98 + 21/32 = 1221/1568

MathStep (Works offline)

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