Add 98/18 and 12/90
1st number: 5 8/18, 2nd number: 12/90
98/18 + 12/90 is 251/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
490/90 + 12/90 = 490 + 12/90 = 502/90 - 502/90 simplified gives 251/45
- So, 98/18 + 12/90 = 251/45
In mixed form: 526/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+24/90 98/36+12/90 98/18+36/90 98/54+12/90 98/18+60/90 98/90+12/90 98/18+84/90