Add 84/49 and 15/20
1st number: 1 35/49, 2nd number: 15/20
84/49 + 15/20 is 69/28.
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,
15/20 = 15 × 49/20 × 49 = 735/980 - Add the two like fractions:
1680/980 + 735/980 = 1680 + 735/980 = 2415/980 - 2415/980 simplified gives 69/28
- So, 84/49 + 15/20 = 69/28
In mixed form: 213/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49+30/20 84/98+15/20 84/49+15/40 84/49+45/20 84/49+15/60 84/49+75/20