Add 80/98 and 18/45
80/98 + 18/45 is 298/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
80/98 = 80 × 45/98 × 45 = 3600/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
18/45 = 18 × 98/45 × 98 = 1764/4410 - Add the two like fractions:
3600/4410 + 1764/4410 = 3600 + 1764/4410 = 5364/4410 - 5364/4410 simplified gives 298/245
- So, 80/98 + 18/45 = 298/245
In mixed form: 153/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98+36/45 80/98+18/90 80/98+54/45 80/98+90/45