Add 15/20 and 18/98
15/20 + 18/98 is 183/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
15/20 = 15 × 49/20 × 49 = 735/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
18/98 = 18 × 10/98 × 10 = 180/980 - Add the two like fractions:
735/980 + 180/980 = 735 + 180/980 = 915/980 - 915/980 simplified gives 183/196
- So, 15/20 + 18/98 = 183/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+18/98 15/20+36/98 15/40+18/98 45/20+18/98 15/20+54/98 15/60+18/98 75/20+18/98 15/20+90/98