Add 20/75 and 63/20
1st number: 20/75, 2nd number: 3 3/20
20/75 + 63/20 is 41/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
20/75 = 20 × 4/75 × 4 = 80/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
63/20 = 63 × 15/20 × 15 = 945/300 - Add the two like fractions:
80/300 + 945/300 = 80 + 945/300 = 1025/300 - 1025/300 simplified gives 41/12
- So, 20/75 + 63/20 = 41/12
In mixed form: 35/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+63/20 20/75+63/40 60/75+63/20 20/75+63/60