Add 45/20 and 63/10
1st number: 2 5/20, 2nd number: 6 3/10
45/20 + 63/10 is 171/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
63/10 = 63 × 2/10 × 2 = 126/20 - Add the two like fractions:
45/20 + 126/20 = 45 + 126/20 = 171/20 - So, 45/20 + 63/10 = 171/20
In mixed form: 811/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+63/10 45/40+63/10 45/20+63/20 45/60+63/10 45/20+63/30 45/20+63/50 45/20+63/70