Add 18/98 and 90/15
1st number: 18/98, 2nd number: 6 0/15
18/98 + 90/15 is 303/49.
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,
18/98 = 18 × 15/98 × 15 = 270/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
90/15 = 90 × 98/15 × 98 = 8820/1470 - Add the two like fractions:
270/1470 + 8820/1470 = 270 + 8820/1470 = 9090/1470 - 9090/1470 simplified gives 303/49
- So, 18/98 + 90/15 = 303/49
In mixed form: 69/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/98+90/15 18/98+90/30 54/98+90/15 18/98+90/45 90/98+90/15 18/98+90/75