Add 63/2 and 9/20
1st number: 31 1/2, 2nd number: 9/20
63/2 + 9/20 is 639/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
63/2 = 63 × 10/2 × 10 = 630/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
9/20 = 9 × 1/20 × 1 = 9/20 - Add the two like fractions:
630/20 + 9/20 = 630 + 9/20 = 639/20 - So, 63/2 + 9/20 = 639/20
In mixed form: 3119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+18/20 63/4+9/20 63/2+9/40 63/2+27/20 63/6+9/20 63/2+9/60 63/2+45/20 63/10+9/20 63/2+63/20 63/14+9/20