Add 20/98 and 7/5
1st number: 20/98, 2nd number: 1 2/5
20/98 + 7/5 is 393/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
7/5 = 7 × 98/5 × 98 = 686/490 - Add the two like fractions:
100/490 + 686/490 = 100 + 686/490 = 786/490 - 786/490 simplified gives 393/245
- So, 20/98 + 7/5 = 393/245
In mixed form: 1148/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+7/5 20/98+14/5 20/98+7/10 60/98+7/5 20/98+21/5 20/98+7/15 20/98+35/5 20/98+7/25 20/98+49/5 20/98+7/35