Add 14/98 and 20/15
1st number: 14/98, 2nd number: 1 5/15
14/98 + 20/15 is 31/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
14/98 = 14 × 15/98 × 15 = 210/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
20/15 = 20 × 98/15 × 98 = 1960/1470 - Add the two like fractions:
210/1470 + 1960/1470 = 210 + 1960/1470 = 2170/1470 - 2170/1470 simplified gives 31/21
- So, 14/98 + 20/15 = 31/21
In mixed form: 110/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/98+20/15 14/98+40/15 14/98+20/30 42/98+20/15 14/98+60/15 14/98+20/45 70/98+20/15 14/98+20/75