Add 9/49 and 20/45
9/49 + 20/45 is 277/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
9/49 = 9 × 45/49 × 45 = 405/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
20/45 = 20 × 49/45 × 49 = 980/2205 - Add the two like fractions:
405/2205 + 980/2205 = 405 + 980/2205 = 1385/2205 - 1385/2205 simplified gives 277/441
- So, 9/49 + 20/45 = 277/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/49+20/45 9/49+40/45 9/98+20/45 9/49+20/90 27/49+20/45 9/49+60/45 45/49+20/45 63/49+20/45