Add 14/4 and 90/7
1st number: 3 2/4, 2nd number: 12 6/7
14/4 + 90/7 is 229/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
14/4 = 14 × 7/4 × 7 = 98/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
90/7 = 90 × 4/7 × 4 = 360/28 - Add the two like fractions:
98/28 + 360/28 = 98 + 360/28 = 458/28 - 458/28 simplified gives 229/14
- So, 14/4 + 90/7 = 229/14
In mixed form: 165/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/4+90/7 14/8+90/7 14/4+90/14 42/4+90/7 14/12+90/7 14/4+90/21 70/4+90/7 14/20+90/7 14/4+90/35 98/4+90/7 14/28+90/7 14/4+90/49