Add 28/30 and 36/45
28/30 + 36/45 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
28/30 = 28 × 3/30 × 3 = 84/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
36/45 = 36 × 2/45 × 2 = 72/90 - Add the two like fractions:
84/90 + 72/90 = 84 + 72/90 = 156/90 - 156/90 simplified gives 26/15
- So, 28/30 + 36/45 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+36/45 28/30+72/45 28/60+36/45 28/30+36/90 84/30+36/45 28/90+36/45