Add 18/40 and 63/6
1st number: 18/40, 2nd number: 10 3/6
18/40 + 63/6 is 219/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
63/6 = 63 × 20/6 × 20 = 1260/120 - Add the two like fractions:
54/120 + 1260/120 = 54 + 1260/120 = 1314/120 - 1314/120 simplified gives 219/20
- So, 18/40 + 63/6 = 219/20
In mixed form: 1019/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+63/6 18/80+63/6 18/40+63/12 54/40+63/6 18/40+63/18 90/40+63/6 18/40+63/30 18/40+63/42