Add 84/49 and 3/20
1st number: 1 35/49, 2nd number: 3/20
84/49 + 3/20 is 261/140.
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,
84/49 = 84 × 20/49 × 20 = 1680/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
3/20 = 3 × 49/20 × 49 = 147/980 - Add the two like fractions:
1680/980 + 147/980 = 1680 + 147/980 = 1827/980 - 1827/980 simplified gives 261/140
- So, 84/49 + 3/20 = 261/140
In mixed form: 1121/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49+6/20 84/98+3/20 84/49+3/40 84/49+9/20 84/49+3/60 84/49+15/20 84/49+21/20