Add 30/49 and 9/90
30/49 + 9/90 is 349/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
30/49 = 30 × 90/49 × 90 = 2700/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
9/90 = 9 × 49/90 × 49 = 441/4410 - Add the two like fractions:
2700/4410 + 441/4410 = 2700 + 441/4410 = 3141/4410 - 3141/4410 simplified gives 349/490
- So, 30/49 + 9/90 = 349/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/49+9/90 30/49+18/90 30/98+9/90 90/49+9/90 30/49+27/90 30/49+45/90 30/49+63/90