Add 28/2 and 90/20
1st number: 14 0/2, 2nd number: 4 10/20
28/2 + 90/20 is 37/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
28/2 = 28 × 10/2 × 10 = 280/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
90/20 = 90 × 1/20 × 1 = 90/20 - Add the two like fractions:
280/20 + 90/20 = 280 + 90/20 = 370/20 - 370/20 simplified gives 37/2
- So, 28/2 + 90/20 = 37/2
In mixed form: 181/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2+90/20 28/4+90/20 28/2+90/40 84/2+90/20 28/6+90/20 28/2+90/60 28/10+90/20 28/14+90/20