Add 21/49 and 6/45
21/49 + 6/45 is 59/105.
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,
21/49 = 21 × 45/49 × 45 = 945/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
6/45 = 6 × 49/45 × 49 = 294/2205 - Add the two like fractions:
945/2205 + 294/2205 = 945 + 294/2205 = 1239/2205 - 1239/2205 simplified gives 59/105
- So, 21/49 + 6/45 = 59/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/49+6/45 21/49+12/45 21/98+6/45 21/49+6/90 63/49+6/45 21/49+18/45 21/49+30/45 21/49+42/45