Add 14/54 and 21/98
14/54 + 21/98 is 179/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
14/54 = 14 × 49/54 × 49 = 686/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
21/98 = 21 × 27/98 × 27 = 567/2646 - Add the two like fractions:
686/2646 + 567/2646 = 686 + 567/2646 = 1253/2646 - 1253/2646 simplified gives 179/378
- So, 14/54 + 21/98 = 179/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/54+21/98 14/54+42/98 42/54+21/98 14/54+63/98 70/54+21/98 98/54+21/98