Add 1/45 and 98/18
1st number: 1/45, 2nd number: 5 8/18
1/45 + 98/18 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
1/45 = 1 × 2/45 × 2 = 2/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Add the two like fractions:
2/90 + 490/90 = 2 + 490/90 = 492/90 - 492/90 simplified gives 82/15
- So, 1/45 + 98/18 = 82/15
In mixed form: 57/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+98/18 1/90+98/18 1/45+98/36 3/45+98/18 1/45+98/54 5/45+98/18 1/45+98/90 7/45+98/18