Add 20/5 and 7/98
1st number: 4 0/5, 2nd number: 7/98
20/5 + 7/98 is 57/14.
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,
7/98 = 7 × 5/98 × 5 = 35/490 - Add the two like fractions:
1960/490 + 35/490 = 1960 + 35/490 = 1995/490 - 1995/490 simplified gives 57/14
- So, 20/5 + 7/98 = 57/14
In mixed form: 41/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+7/98 20/5+14/98 20/10+7/98 60/5+7/98 20/5+21/98 20/15+7/98 20/5+35/98 20/25+7/98 20/5+49/98 20/35+7/98