Add 3/98 and 45/72
3/98 + 45/72 is 257/392.
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,
3/98 = 3 × 36/98 × 36 = 108/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
45/72 = 45 × 49/72 × 49 = 2205/3528 - Add the two like fractions:
108/3528 + 2205/3528 = 108 + 2205/3528 = 2313/3528 - 2313/3528 simplified gives 257/392
- So, 3/98 + 45/72 = 257/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98+45/72 3/98+90/72 9/98+45/72 15/98+45/72 21/98+45/72