Add 24/28 and 45/90
24/28 + 45/90 is 19/14.
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,
24/28 = 24 × 45/28 × 45 = 1080/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
45/90 = 45 × 14/90 × 14 = 630/1260 - Add the two like fractions:
1080/1260 + 630/1260 = 1080 + 630/1260 = 1710/1260 - 1710/1260 simplified gives 19/14
- So, 24/28 + 45/90 = 19/14
In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/28+45/90 24/56+45/90 72/28+45/90 24/84+45/90