Add 84/49 and 80/30
1st number: 1 35/49, 2nd number: 2 20/30
84/49 + 80/30 is 92/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
84/49 = 84 × 30/49 × 30 = 2520/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
80/30 = 80 × 49/30 × 49 = 3920/1470 - Add the two like fractions:
2520/1470 + 3920/1470 = 2520 + 3920/1470 = 6440/1470 - 6440/1470 simplified gives 92/21
- So, 84/49 + 80/30 = 92/21
In mixed form: 48/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+80/30 84/49+80/60 84/49+80/90