Add 3/28 and 14/90
3/28 + 14/90 is 331/1260.
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,
3/28 = 3 × 45/28 × 45 = 135/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
14/90 = 14 × 14/90 × 14 = 196/1260 - Add the two like fractions:
135/1260 + 196/1260 = 135 + 196/1260 = 331/1260 - So, 3/28 + 14/90 = 331/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28+14/90 3/28+28/90 3/56+14/90 9/28+14/90 3/28+42/90 3/84+14/90 15/28+14/90 3/28+70/90 21/28+14/90 3/28+98/90