Add 20/45 and 50/4
1st number: 20/45, 2nd number: 12 2/4
20/45 + 50/4 is 233/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
50/4 = 50 × 45/4 × 45 = 2250/180 - Add the two like fractions:
80/180 + 2250/180 = 80 + 2250/180 = 2330/180 - 2330/180 simplified gives 233/18
- So, 20/45 + 50/4 = 233/18
In mixed form: 1217/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45+50/4 20/90+50/4 20/45+50/8 60/45+50/4 20/45+50/12 20/45+50/20 20/45+50/28