Add 50/60 and 21/45
50/60 + 21/45 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
50/60 = 50 × 3/60 × 3 = 150/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
21/45 = 21 × 4/45 × 4 = 84/180 - Add the two like fractions:
150/180 + 84/180 = 150 + 84/180 = 234/180 - 234/180 simplified gives 13/10
- So, 50/60 + 21/45 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60+42/45 50/60+21/90 50/60+63/45