Add 14/28 and 98/90
1st number: 14/28, 2nd number: 1 8/90
14/28 + 98/90 is 143/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
14/28 = 14 × 45/28 × 45 = 630/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
98/90 = 98 × 14/90 × 14 = 1372/1260 - Add the two like fractions:
630/1260 + 1372/1260 = 630 + 1372/1260 = 2002/1260 - 2002/1260 simplified gives 143/90
- So, 14/28 + 98/90 = 143/90
In mixed form: 153/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+98/90 42/28+98/90 14/84+98/90 70/28+98/90 98/28+98/90