Add 20/5 and 84/98
1st number: 4 0/5, 2nd number: 84/98
20/5 + 84/98 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 5 × 98 = 490,
20/5 = 20 × 98/5 × 98 = 1960/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
84/98 = 84 × 5/98 × 5 = 420/490 - Add the two like fractions:
1960/490 + 420/490 = 1960 + 420/490 = 2380/490 - 2380/490 simplified gives 34/7
- So, 20/5 + 84/98 = 34/7
In mixed form: 46/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+84/98 20/10+84/98 60/5+84/98 20/15+84/98 20/25+84/98 20/35+84/98