Add 20/98 and 5/45
20/98 + 5/45 is 139/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
20/98 = 20 × 45/98 × 45 = 900/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
5/45 = 5 × 98/45 × 98 = 490/4410 - Add the two like fractions:
900/4410 + 490/4410 = 900 + 490/4410 = 1390/4410 - 1390/4410 simplified gives 139/441
- So, 20/98 + 5/45 = 139/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+5/45 20/98+10/45 20/98+5/90 60/98+5/45 20/98+15/45 20/98+25/45 20/98+35/45