Add 1/2 and 25/45
1/2 + 25/45 is 19/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
1/2 = 1 × 45/2 × 45 = 45/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90 - Add the two like fractions:
45/90 + 50/90 = 45 + 50/90 = 95/90 - 95/90 simplified gives 19/18
- So, 1/2 + 25/45 = 19/18
In mixed form: 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2+50/45 1/4+25/45 1/2+25/90 3/2+25/45 1/2+75/45 1/6+25/45 5/2+25/45 1/10+25/45 7/2+25/45 1/14+25/45