Add 50/36 and 21/90
1st number: 1 14/36, 2nd number: 21/90
50/36 + 21/90 is 73/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
50/36 = 50 × 5/36 × 5 = 250/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
21/90 = 21 × 2/90 × 2 = 42/180 - Add the two like fractions:
250/180 + 42/180 = 250 + 42/180 = 292/180 - 292/180 simplified gives 73/45
- So, 50/36 + 21/90 = 73/45
In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36+42/90 50/72+21/90 50/36+63/90