Add 50/20 and 63/45
1st number: 2 10/20, 2nd number: 1 18/45
50/20 + 63/45 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
50/20 = 50 × 9/20 × 9 = 450/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Add the two like fractions:
450/180 + 252/180 = 450 + 252/180 = 702/180 - 702/180 simplified gives 39/10
- So, 50/20 + 63/45 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+63/45 50/20+63/90 50/60+63/45