Add 56/98 and 45/90
56/98 + 45/90 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
56/98 = 56 × 45/98 × 45 = 2520/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
45/90 = 45 × 49/90 × 49 = 2205/4410 - Add the two like fractions:
2520/4410 + 2205/4410 = 2520 + 2205/4410 = 4725/4410 - 4725/4410 simplified gives 15/14
- So, 56/98 + 45/90 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: