Add 50/45 and 21/4
1st number: 1 5/45, 2nd number: 5 1/4
50/45 + 21/4 is 229/36.
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,
50/45 = 50 × 4/45 × 4 = 200/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
21/4 = 21 × 45/4 × 45 = 945/180 - Add the two like fractions:
200/180 + 945/180 = 200 + 945/180 = 1145/180 - 1145/180 simplified gives 229/36
- So, 50/45 + 21/4 = 229/36
In mixed form: 613/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45+42/4 50/90+21/4 50/45+21/8 50/45+63/4 50/45+21/12 50/45+21/20 50/45+21/28