Add 54/98 and 45/72
54/98 + 45/72 is 461/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
54/98 = 54 × 36/98 × 36 = 1944/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
45/72 = 45 × 49/72 × 49 = 2205/3528 - Add the two like fractions:
1944/3528 + 2205/3528 = 1944 + 2205/3528 = 4149/3528 - 4149/3528 simplified gives 461/392
- So, 54/98 + 45/72 = 461/392
In mixed form: 169/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98+90/72