Add 45/12 and 90/98
1st number: 3 9/12, 2nd number: 90/98
45/12 + 90/98 is 915/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
45/12 = 45 × 49/12 × 49 = 2205/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
90/98 = 90 × 6/98 × 6 = 540/588 - Add the two like fractions:
2205/588 + 540/588 = 2205 + 540/588 = 2745/588 - 2745/588 simplified gives 915/196
- So, 45/12 + 90/98 = 915/196
In mixed form: 4131/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+90/98 45/24+90/98 45/36+90/98 45/60+90/98 45/84+90/98