Add 36/30 and 28/90
1st number: 1 6/30, 2nd number: 28/90
36/30 + 28/90 is 68/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
36/30 = 36 × 3/30 × 3 = 108/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
108/90 + 28/90 = 108 + 28/90 = 136/90 - 136/90 simplified gives 68/45
- So, 36/30 + 28/90 = 68/45
In mixed form: 123/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+28/90 36/30+56/90 36/60+28/90 36/30+84/90 36/90+28/90