Add 45/72 and 50/98
45/72 + 50/98 is 445/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
45/72 = 45 × 49/72 × 49 = 2205/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
50/98 = 50 × 36/98 × 36 = 1800/3528 - Add the two like fractions:
2205/3528 + 1800/3528 = 2205 + 1800/3528 = 4005/3528 - 4005/3528 simplified gives 445/392
- So, 45/72 + 50/98 = 445/392
In mixed form: 153/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+50/98