Add 3/49 and 18/20
3/49 + 18/20 is 471/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
3/49 = 3 × 20/49 × 20 = 60/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
18/20 = 18 × 49/20 × 49 = 882/980 - Add the two like fractions:
60/980 + 882/980 = 60 + 882/980 = 942/980 - 942/980 simplified gives 471/490
- So, 3/49 + 18/20 = 471/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49+18/20 3/49+36/20 3/98+18/20 3/49+18/40 9/49+18/20 3/49+54/20 3/49+18/60 15/49+18/20 3/49+90/20 21/49+18/20