Add 72/98 and 20/54
72/98 + 20/54 is 1462/1323.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 98 × 27 = 2646,
72/98 = 72 × 27/98 × 27 = 1944/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
20/54 = 20 × 49/54 × 49 = 980/2646 - Add the two like fractions:
1944/2646 + 980/2646 = 1944 + 980/2646 = 2924/2646 - 2924/2646 simplified gives 1462/1323
- So, 72/98 + 20/54 = 1462/1323
In mixed form: 1139/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+40/54 72/98+60/54