Add 14/4 and 90/18
1st number: 3 2/4, 2nd number: 5 0/18
14/4 + 90/18 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
14/4 = 14 × 9/4 × 9 = 126/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
90/18 = 90 × 2/18 × 2 = 180/36 - Add the two like fractions:
126/36 + 180/36 = 126 + 180/36 = 306/36 - 306/36 simplified gives 17/2
- So, 14/4 + 90/18 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/4+90/18 14/8+90/18 14/4+90/36 42/4+90/18 14/12+90/18 14/4+90/54 70/4+90/18 14/20+90/18 98/4+90/18 14/28+90/18