Add 12/54 and 20/49
12/54 + 20/49 is 278/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
12/54 = 12 × 49/54 × 49 = 588/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
20/49 = 20 × 54/49 × 54 = 1080/2646 - Add the two like fractions:
588/2646 + 1080/2646 = 588 + 1080/2646 = 1668/2646 - 1668/2646 simplified gives 278/441
- So, 12/54 + 20/49 = 278/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/54+20/49 12/54+40/49 12/54+20/98 36/54+20/49 12/54+60/49 60/54+20/49 84/54+20/49